book4.6

船上培训记录簿附页(EXTRA PAPERS FOR ON BOARD TRAINING RECORD BOOK )职能:轮机工程讯练内容顺序号: NO. 1.1 1.2 1.3 1.4日期:(FUNCTION): (NUMBER OF THE TASK): NO. (DATE): 船的零件损坏后有时需要使用材料进行修复，使之恢复原有的尺寸或几何精度，能够正常有效地工作，所以必须熟练掌握材料性能和使用范围和局限性及注意事项，在日常修理工作中能够快速准确地进行修理。

有些材料与舶装配有关部件参数是否合适。

修理是否能够达到预期的目的。

如对腐蚀的零件进行修理，主辅机机座垫片的安装等。

船舶泵、分油机、减速器的修理是日常一项重要的工作。

作为轮机工作人员，必须熟练的掌握在修理过程中，如何保质保量的修复。

首先要严格按照说明书的要求，熟悉设备的结构，采取正确的步骤，选择专用工具，选用专用工具，可以达到事半功倍的目的，避免对所检修的设备的不必要的损坏。

如修理离心泵时使用拉马，红套等。

分油机的修理经常要使用专用工具，在修理过程中，首先要熟悉分油机的构造，严格禁止强行拆卸。

准备好工具，做好修理准备工作，拆卸的专用工具有如拆卸分离筒盖锁紧环用的扳手，套筒板，拆卸联轴器的拉马等。

减速器的修理要熟悉设备的结构，拆卸时使用专用工具，按说明书要求进行，正确使用手动和机械工具。

船上培训记录簿附页(EXTRA PAPERS FOR ON BOARD TRAINING RECORD BOOK )职能:轮机工程训练内容顺序号: NO. 1.1 1.2 1.3 1.4日期:(FUNCTION): (NUMBER OF THE TASK): NO. (DATE): 选用合适的材料进行修理，是日常工作的一部分，因为不同零件材料不一样，与之修理材料需要与之相匹配，必须熟练的掌握它，材料的性能不同，使用的范围不同，修理的不同，如粘结剂，根据所修复零件的工作环境是高温还是常温下工作，是高压还是常压下工作，可以选择不同型号的粘结剂材料，其它如金属扣合工艺，焊接工艺等。

七年级生物下册 4.6.3 神经调节的基本方式教案（新版）新人教版编辑整理:尊敬的读者朋友们：这里是精品文档编辑中心,本文档内容是由我和我的同事精心编辑整理后发布的,发布之前我们对文中内容进行仔细校对,但是难免会有疏漏的地方,但是任然希望(七年级生物下册4.６.3 神经调节的基本方式教案（新版)新人教版)的内容能够给您的工作和学习带来便利。

同时也真诚的希望收到您的建议和反馈，这将是我们进步的源泉，前进的动力。

本文可编辑可修改，如果觉得对您有帮助请收藏以便随时查阅，最后祝您生活愉快业绩进步，以下为七年级生物下册４.6.3 神经调节的基本方式教案（新版)新人教版的全部内容。

4。

6．３神经调节的基本方式一、教学目标1.概述反射是人体神经调节的基本方式。

２．通过膝跳反射的实验理解反射的概念。

3．描述反射弧的结构．二、教学重点:(1)神经调节的基本方式—-－反射.（2）反射的结构基础-—-反射弧。

三、教学难点:反射的结构基础—-—反射弧四、教学时间1课时五、教学过程(一)导入新课通过上节课的学习,我们已经知道人体之所以能成为一个整体，神经调节起着非常重要的作用。

而神经调节的基本方式称为:反射。

那么什么是反射呢？今天,带着这些问题,我们一起来学习与《神经调节的基本方式》有关的内容。

(二）讲授新课1.（展示图片），如果手指偶然被某个尖锐的物体扎了一下或不小心烫了一下,你是先感觉到疼还是先把手缩回来？为什么会有这样的结果呢?结论：是先把手缩回来然后才感觉到疼的。

完成缩手反射的路径比感觉到痛或烫的反射短,手是屈肌反射,其中枢在脊髓;而疼痛是感觉，其中枢在大脑。

2.为了解人体神经系统对刺激发生反应的状况,常常做膝跳反射的实验,课本91页学习膝跳反射实验的方法，并思考讨论题。

两两相对，轮换进行实验。

(方法参照教材９1页）叩击韧带时,小腿有什么反应?小腿以膝盖为轴突然地跳起来,迅速前伸．是否所有同学都作出相同的反应?不,有的同学小腿没有前伸。

4.6 怪物类脚本设计4.1.1怪物简介游戏的怪物与NPC相类似，它是由电脑控制，游戏玩家可以对它进行攻击动作，在消灭这些怪物的时候，玩家还会等到金钱或者物品或者经验等各种不同奖励。

在游戏里面它到底是怎样实现的呢？它跟我们前面讲的NPC很类似。

4.1.2 怪物类的属性设置游戏的怪物属性设置主要分为数据库与客户端两部分。

数据库主要是用来存放游戏的怪物数据和信息。

而客户端主要是用来实现属性控制。

1.游戏的怪物属性存放在Cq_monstertype表中。

该表结构如下：从上表可以看出，Cq_monstertype表的字段较多。

但是，通常我们在做任务的时候，这些字段，没有全部都用到。

以下介绍一些常用字段。

●id表示怪物的ID。

它是唯一的。

编码规则如下：怪物：xabcdx —— 如果＝2，表示怪物abcd的小bossa —— 主要片区，1＝草原，2＝雪原，3＝沼泽……b ——怪物位置，0＝练功区，1＝地穴，2＝地穴c d—— 编号●sort表示怪物的类型。

这个字段主要是用于做游戏怪物图鉴用的。

●life表示这个怪物有多少血。

这个怪物耐不耐打就取决于这个字段。

●attack_range表示怪物的攻击范围。

如果它是远程攻击的话，那它肯定就是一个很大的数值。

如果它是近战的话，它只能表示是1。

然后这个，这个字段是表示怪物的视野范围，就是说它能看到多远。

你走近它多少范围的时候它就能看到你。

就会被激活。

●attack_speed是表示怪物的攻击速度。

表示这个怪物打玩家的时候它会有多快的间隔时间。

比如说，它是1秒打一下，还是2秒打一下。

●level是这个怪物的等级。

我们在计算怪物和玩家之间的伤害的时候会用到。

●action这个是表示怪物死亡后会触发的每个action。

这个是我们脚本中非常经常使用到的字段，也是一个非常重要字段。

这个是怪物能跟action连接的唯一的路口。

●attack_user这是表示怪物的攻击类型。

其类型如下表这个表显示目前我们机战里面所拥有的怪物类型，attack_user它是以数字的形式表示。

Data Sheet Fujitsu Notebook LIFEBOOK U7313Fujitsu recommends Windows 11 Pro.Data SheetFujitsu Notebook LIFEBOOK U7313Ultra-Mobile Meets Ultra SecureThe Fujitsu LIFEBOOK U7313 with its slim and stylish ultra-mobile chassis, based on the 13th generation Intel® Core™ processor, is made for business professionals. With its 13.3-inch screen, light weight, Intel® Thunderbolt™ 4 ports, it provides excellent mobility and portability. Ergonomic viewing is guaranteed along with outstanding security.Elegant design and mobilityManage your workday with premium notebooks providing ultimate convenience to maximize your productivityThanks to the complete magnesium housing, the weight of the remarkably slim 18.9 mm ultra-mobile notebook starts at 0.99 kgEnjoy the Intel® Iris® Xe Graphics with an outdoor-friendly anti-glare HD or FHD display Excellent security for your businessEnhance your security with outstanding features to best protect your notebook and company data from unauthorized accessIntegrated PalmSecure™ or fingerprint sensorInfrared Camera: Allows face recognition with Windows Hello ePrivacy Filter: Keep safe from prying eyes SmartCard readerPremium connectivityStay flexible and productive within a modern workplace environmentCompact and versatile Intel® Thunderbolt™ 4 USB Type-C connector to charge your laptop,transfer files at fast speeds, connect external monitors and other peripherals Full set of interfaces with full-size LAN connector and HDMI Embedded 5G/LTEConvenient upgradeabilityDirect access to key components reduces upgrade time and costs Battery, memory and internal storage can be changed easilyFamily conceptReduce your acquisition costs as well as the complexity of your IT equipmentFamily port replicator for the whole LIFEBOOK E5 and U7 Series ensures ultimate flexibility and shared workplace conceptsShared components such as the USB Type-C port replicator, USB Type-C AC Adapter, BIOS and BitImage across the ultra-mobile LIFEBOOK U7 familyComponentsBase unit LIFEBOOK U7313Operating systemsOperating system pre-installed Windows 11 Pro. Fujitsu recommends Windows 11 Pro for business.Windows 11 HomeWindows 10 Pro. Fujitsu recommends Windows 11 Pro for business.Microsoft OS support information Windows 11 requires for first device setup:- Internet connectivity- Microsoft account for Home editions or organizational account (e.g. ADD) for Pro editionsAfter product end of life, Fujitsu continues to test and support new Windows releases for max. 5 years, depending onextension of hardware services through warranty top ups.For more details please visit our Fujitsu Service Statement under https:///IndexProdSupport.asp?lng=com&OpenTab=Operating system notes The use of Windows Operating System is subject to acceptance of the End User License Agreement of Microsoft asapplicable under the relevant Microsoft program.Processor Intel® Core™ i7-1370P processor (14 Cores, up to 5.2 GHz)Intel® Core™ i7-1355U processor (10 Cores, up to 5.0 GHz) *Intel® Core™ i5-1350P processor (12 Cores, up to 4.7 GHz) *Intel® Core™ i5-1345U processor (10 Cores, up to 4.7 GHz)Intel® Core™ i5-1340P processor (12 Cores, up to 4.6 GHz) *Intel® Core™ i5-1335U processor (10 Cores, up to 4.6 GHz) **Processor only for retail, SMB, education and governmentMemory modules8 GB (1 module(s) 8 GB) DDR4, 3,200 MT/s, SO DIMM16 GB (1 module(s) 16 GB) DDR4, 3,200 MT/s, SO DIMM32 GB (1 module(s) 32 GB) DDR4, 3,200 MT/s, SO DIMMHard disk drives (internal)PCIe-SSD, 512 GB M.2 NVMe module, SEDPCIe-SSD, 256 GB M.2 NVMe module, SEDPCIe-SSD, 2 TB M.2 NVMe module, SEDPCIe-SSD, 1 TB M.2 NVMe module, SEDHard disk notes Accessible capacity may vary, also depending on used software.Interface add on cards/components(optional)4G/5G (optional)Fibocom FM350-GL (5G Sub-6/ cat.19) (Downlink speed 5G - 3740 MB/s , 4G - 1600 MB/s, Uplink speed 5G - 835 MB/s,4G - 211 MB/s)Display33.8 cm (13.3-inch), IPS, FHD, 1,920 x 1,080 pixel, Anti-glare multi-touch, 300 cd/m² (Touch), 800:1 (typ) (Touch)33.8 cm (13.3-inch), HD, 1,366 x 768 pixel, Anti-glare display, 250 cd/m² (HD), 500:1 (typ) (HD)33.8 cm (13.3-inch), FHD, 1,920 x 1,080 pixel, Anti-glare IPS display, 400 cd/m² (FHD), 1500:1 (typ) (FHD)33.8 cm (13.3-inch), FHD, 1,920 x 1,080 pixel, Anti-glare IPS display, 300 cd/m² (FHD), 700:1 (typ) (FHD)33.8 cm (13.3-inch), FHD, 1,920 x 1,080 pixel, Anti-glare ePrivacyFilter, 400 cd/m² (ePF), 1000:1 (typ) (ePF)MultimediaCamera Built-in Infrared webcam (HD) with Status LED Built-in webcam (HD) with Status LEDCamera notes720p, 1 megapixels, 1280 x 720, with Privacy Camera ShutterMicrophone dual digital array microphoneBase unitBase unit LIFEBOOK U7313General system informationChipset IntegratedSupported capacity RAM (min.)8 GBSupported capacity RAM (max.)64 GBMemory slots 2 SO DIMM (DDR4, 3200 MHz)Memory notes Dual channel supportLAN10/100/1,000 MBit/s Intel® I219LMIntegrated WLAN Intel WiFi 6E AX211 - WLAN, BT, SRD cat. 2BIOS version UEFI Specification 2.8BIOS features InsydeH2O BIOSAudio type On boardAudio codec Realtek ALC257Audio features2x built-in speakers (2 W each), Stereo audioColor Warm SilverMaterial MagnesiumGraphicsBase unit LIFEBOOK U7313Graphics brand name Intel® UHD Graphics (with Single channel memory), Intel® Iris® Xe Graphics (with Dual channel memory) Graphics notes Shared memory depending on main memory size and operating systemInterfacesAudio: line-in / line-out1Internal microphones2x digital array microphones (optional)USB 3.2 Gen1 (5 Gbps) total2x Type-A (1 with Anytime USB charge functionality)Thunderbolt™ 4 total2x Type-C with USB4 (40 Gbps, Power Delivery (15W), DP 1.4 out)HDMI**************************************Ethernet (RJ-45)1Memory card slots 1 microSD 3.0 StandardmicroSD card: 2GBmicroSDHC card: 32GBmicroSDXC card: 2TBSpeed Class: up to UHS-I (104MB/s)SmartCard slot 1 (optional)SIM card slot 1 (Nano-SIM, only for models with configuration WWAN ready or with 5G LTE modules)eSIM card eSIM integrated in 5G LTE modulesDocking connector for Port Replicator 1 - PR Model: NPR50Kensington Lock support 1 - Recommendation: Kensington’s Micro Security SaverPort Replicator interfaces (optional)USB Type-C PR Thunderbolt™ 4 PR Mechanical PRModel: NPR50DC-in 1 (19V/90W required) 1 (20V/170W required) 1 (19V/90W required) Power on switch111Audio: line-in / line-out------1Audio: comments 1 Combo jack for headset usage 1 Combo jack for headset usage Combo-PortUSB 3.2 Gen1 (5 Gbps) total------4x Type-A2x Type-CDisplayPort1x V1.2 2x V1.4++ 2 (up to 2x 3840x2160 60Hz) VGA1--- 1 (up to 1920x1200 6Hz) HDMI text1V 2.0b 1 (up to 4096x2160 60Hz)Port Replicator interfaces (optional)Interface Notes3x Type-A - 5V/0.9A, 4.5W1x Type-C - 15W1x Type-C - Up to 60 W (PD v2.0-1.1)power output to client or 4.5W input 2x Type-A - 5V/0.9A, 4.5W1x Type-A - 5V/2.4A, 12W2x Type-C - 5V, 1.5A/4.5W chargingport1x Type-C - TBT4 up to 60 W (PD v2.0-1.1), 5-20V/3.0A upstream (PC), IntelAMT support (vPRO)1x Type-C - TBT4 up to 15 W (PDv2.0-1.1), 5V/3.0A downstream, poweroutput to clientThe shown up to resolutions aremaximum values each port and willbe different depending on Multi-Display combinations.Kensington Lock support no1 1 (lock Portrep only)Ethernet (RJ-45)1 1 (10/100/1000 Mbit/s, 2,5 Gbps)1Notes Number of simultaneous used displays and its possible resolutions andfrequencies depend on mobile system and display interface type.Please consult always also the manual of the connected client.1 RJ45 (10/100/1000)Keyboard and pointing devicesSpill-resistant keyboard, Available with standard keyboard or backlit keyboardNumber of keyboard keys: 85, Keyboard pitch: 19 mm, Keyboard stroke: 1.7 mmMulti gesture touchpad with two mouse buttonsWireless technologiesAntennas 2 Dual band WLAN antennas, 2+2 LTE antennas optionalBluetooth v5.1 (OS limitation) - hardware is v5.2 readyIntegrated WLAN Intel WiFi 6E AX211 - WLAN, BT, SRD cat. 2WLAN encryption WPA/WPA2/WPA3 (Wi-Fi Protected Access)WLAN notes WiFi 6E is supported by Windows 11 OS only - Windows 10 OS supports WiFi 6 only.Import and usage according to country-specific regulations.LTE/UMTS/GPS notes OptionalIntegrated WWAN(5G) LTE Fibocom FM350-GL (Sub-6/cat.19) - eSIM integrated - UMTS,LTE,5GNFC NoGPS Embedded in 5G module if configured with WWANPower supplyAC Adapter20 V / 65 W (3.25 A), 100 V - 240 V, 50 Hz - 60 Hz, 3-pin (grounded) Type-C AC-Adapter slim&lightAC Adapter20 V / 65 W (3.25 A), 100 V - 240 V, 50 Hz - 60 Hz, 3-pin (grounded) Type-C AC-Adapter standard1st battery options Li-Ion battery 4-cell, 3,915 mAh, 60 Wh1st battery Lithium polymer battery 4-cell, 60 Wh, 3915 mAhBattery features Quick Charge: 80% in 1hRuntime 1st battery12h 30min (up to)Battery notes Battery runtime information is based on worldwide acknowledged BAPCo® MobileMark® 2018. Refer to www.bapco.com for additional details.The BAPCo® MobileMark® Benchmark provides results that enable direct product comparisons betweenmanufacturers. It does not guarantee any specific battery runtime which actually can be lower and may varydepending on product model, configuration, application and power management settings. The battery capacitydecreases slightly with every re-charge and over its lifetime.Noise emissionNoise emission Please refer to the Eco DeclarationDimensions / Weight / EnvironmentalDimensions (W x D x H)308 x 199.5 x 18.9 mm12.13 x 7.85 x 0.74 inchWeight0.99 kg (starting from)Weight (lbs)starting from 2.18 lbsWeight notes Weight may vary depending on actual configurationOperating ambient temperature 5 - 35 °C (41 - 95 °F)Operating relative humidity20 - 80 %ComplianceProduct LIFEBOOK U7313Model7U13A3Germany GS in progressEurope CECBUSA/Canada FCC (depending on configuration)Global ENERGY STAR® 8.0TCO Certification in progressEPEAT® Gold (dedicated regions) in progressMIL-STD-810H testedChina CCC in progressCompliance link https:///sites/certificatesAdditional SoftwareAdditional software (preinstalled)Microsoft Office (1 month trial for new Microsoft® Office 365 customers. 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“图书管理系统”分析设计报告1 引言1.1 目的1.2 范围1.3 定义1.4 参考文献2 建立分析的对象模型建立分析的对象模型如表4.1所示表4.1 建立分析的对象模型2.1 图书类描述类名：Book。

图书类属性如表4.2所示。

表4.2 图书类属性图书类方法如表4.3所示。

表4.3 图书类方法2.2 读者类描述类名：Reader。

读者类属性如表4.4所示。

表4.4 读者类属性读者类方法如表4.5所示。

表4.5 读者类方法2.3 借阅记录类描述类名：Record。

借阅记录类属性如表4.6所示。

表4.6 借阅记录类属性借阅记录类方法如表4.7所示。

表4.7 借阅记录类方法2.4账号类描述类名：Account。

账号类属性如表4.8所示。

表4.8 账号类属性账号类方法如表4.9所示表4.9 账号类方法3提供交互界面的类3.1对图书信息操作的界面类book_save.jsp: 添加图书页面book_list.jsp: 查询图书记录的列表显示book_detail.jsp: 显示图书详细信息book_update.jsp: 图书信息更新页面book_query.jsp: 图示信息查询页面3.2对读者信息操作的界面类reader_save.jsp:添加读者页面reader_list.jsp: 多条读者记录的列表显示reader_detail.jsp: 显示读者详细信息reader_update.jsp: 读者信息更新页面reader_query.jsp: 读者信息查询页面3.3对借阅记录信息操作的界面类record_save.jsp:添加借阅记录页面record _list.jsp: 查询借阅记录结果的列表显示record r_query.jsp: 借阅记录信息查询页面record _delete.jsp: 还书页面3.4对账号信息操作的界面类account_save.jsp:添加账号页面account _list.jsp: 查询账号记录结果的列表显示account _update.jsp: 账号信息更新页面account _query.jsp: 账号信息查询页面4.建立动态模型由于借书和还书的过程是本系统中较重要而且较复杂的流程，因此在这里列出他们的时序图。

（EXTRA PAPERS FOR ON BOARD TRAINING RECORD BOOK）职能：轮机工程训练内容顺序号：NO.4.1—NO. 4.2 日期：2009.9.13 2009.9.15(FUNCTION)：（NUMBER OF THE TASK）：NO. （DATE）：（10）由于设备故障或危及船舶安全的情况而采取的特殊操作方式和应急措施；（11）有关配给机舱普通船员任务的情况；（12）消防设备的有效性。

接班轮机员应检查轮机日志，并核对与自己检查的情况一致时方可接班。

4.2解释轮机长对操作有关船舶系统和机器的启动命令和特别指示在船实习期间，听轮机长对操作船舶系统的命令和指示最多的是在备车时候。

当接到驾驶台的备车指令后，轮机长即发出备车指示。

打电话至机舱，通知值班机工启动另外一台电机作好备车准备。

此后轮机长，当班轮机员和电机员下到集控室，作好并电工作。

检查主机各系统油柜的液位，特别检查主机冷却及润滑系统的阀门。

转电机水对主机缸套冷却水和滑油进行加热至：滑油38-45℃，缸套水70-75℃。

检查并打开08Mpa的控制空气及各调温阀的控制空气。

启动主滑油泵，待压力正常后启动十字头油泵（主轴承滑油压力：2.5-3.5巴；十字头滑油压力：10.3-12巴；缸套冷却水压力：3-4.5巴）。

检查主机示功阀打开已否，开汽缸油油泵，并合上盘车机进行盘车十多分钟，待盘车完毕脱开关闭电源。

通知驾驶台，启动燃油低压泵，对主机进行正倒车冲车和试车（冲车完毕，关闭示功阀后试车）。

通知驾驶台备车完毕可以用车。

（EXTRA PAPERS FOR ON BOARD TRAINING RECORD BOOK）职能：轮机工程训练内容顺序号：NO. 4.3 日期：2009.9.18(FUNCTION)：（NUMBER OF THE TASK）：NO. （DATE）：4.3解释所有的机器和系统的工作特性，涉及的人员和潜在的危害轮机员经过日常的检修和测量工作，应使柴油机及其装臵处于正常的技术状态，在运行管理中，值班人员应精心操纵，严格管理，按时进行巡回检测，使柴油机及其装臵的各种技术参数处于正常范围之内，并认真做好交接班工作。

图书借阅管理系统一、 设计目的本课程设计是《计算机软件技术》课程的具体应用和实践，是自动化、测控与仪器等非计算机的电类专业的软件类课程知识的综合应用，重点在于将软件基础理论应用于具体的生产实际应用中，即培养学生软件的实际开发能力。

本课程设计的目的是为了让学生能够全面了解数据库应用系统的整个开发过程，逐步掌握系统开发的以下相关技术：(1)熟悉一种具体的数据库管理系统（例如：Access 、SQL Server ）的使用方法。

(2)掌握Visual Basic （简称VB ）等开发工具的使用和编程。

(3)体会运用软件工程的设计思想进行软件系统开发的过程与方法。

完成课程设计任务的学生应熟练掌握软件技术基础知识（包括数据结构、操作系统、数据库系统、软件工程、网络技术等），可以应用所学的软件基本理论和方法对实际软件开发任务进行分析、设计、编程、测试及维护，要求学生熟练掌握软件开发的常规方法。

二、 设计内容、要求及组织形式1、系统需求分析（1）信息需求：数据流图：外部实体 处理 数据流 数据存储图书借阅管理系统顶层数据流图借阅卡号、借书信息 确定借书信息读者借书 管理员 书籍图书借阅系统借阅是否在库图书借阅系统数据流程图：借阅卡号、借书信息 确定借书信息有上述数据流图可知信息需求为:1）读者信息（读者编号、读者姓名、性别、电话号码、工作单位） 2）用户（用户名、密码、用户类型）3）图书基本信息（图书编号、图书名称、作者、出版社、图书类型、是否借出） 4)借阅信息（借阅编号、读者编号、读者姓名、图书编号、图书名称、借阅日期）5）图书类型（类型编号、类型名称）（2）处理需求：1）添加、修改、删除以及查看图书分类信息 2）添加、修改、删除以及查看图书基本信息 3）实现读者借书、还书功能4）创建用户，实现系统管理员可以对普通用户进行信息修改和删除、添加功能以及普通用户可以修改自身的用户名和密码 2、数据库的概念设计 （1）数据抽象读者 读者信息借书管理员书籍图书信息 图书借阅管理系统借阅信息借阅1）读者信息2）用户信息3)用户类型信息用户 用户名密码 用户类型 用户类型Admin 用户普通用户 系统管理员 读者 读者姓名 借阅编号 读者性别 工作单位 电话号码4）图书信息5）借阅信息图书编号作者图书名称出版社图书借阅信息图书名称借阅编号借阅日期图书编号读者编号读者姓名是否在库类别（2）全局概念模式n m mn m m2、数据库的逻辑设计二维关系表结构如下：图书类型表图书基本信息表编号 字段名称 数据类型 说明 1 图书编号 文本，长度为50主键编码 字段名称 数据类型 说明 1 类型编号 自动编号，长整型 主键 2 类型名称 文本，长度为50读者 借阅 还书书籍工作单位 图书名称 姓名性别 编号 电话号码 管理员图书编号作者是否在库图书类别 出版社 管理图书名称 读者姓名 借阅日期2 图书名称文本，长度为503 图书类别数字，整型4 作者文本，长度为505 出版社文本，长度为506 是否借出文本，长度为20 状态读者信息编号字段名称数据类型说明1 读者编号文本，长度为30 主键2 读者姓名文本，长度为503 性别文本，长度为204 电话号码文本，长度为305 工作单位文本，长度为1000借阅信息表编号字段名称数据类型说明1 借阅编号自动编号、长整型主键2 读者编号文本，长度为203 读者姓名文本，长度为504 图书编号文本，长度为205 图书名称文本，长度为506 借阅日期日期/时间用户表编号字段名称数据类型说明1 用户名文本，长度为40 主键2 密码文本，长度为403 用户类型文本4、系统的实现与调试（1）建立数据库1、创建表创建图书分类表BookTypeCREATE TABLE BookType(Typeld varchar(3) not null,TypeName varchar(50) not null,CONSTRAINT BookTypePK PRIMARY KEY(Typeld))创建图书信息表BookInfoCREATE TABLE BookInfo（BookNo varchar(50) not null,Typeld varchar(50) not null,Author varchar(50) not null,Publisher varchar(50) not null,InLibrary varchar(50) not null,BookName varchar(50) not null,CONSTRAINT BookInfoPK PRIMARY KEY(BookNo),CONSTRAINT BookInfoPK1 FOREING KEY(Typeld) REFERENCES BookType(Typeld))创建读者信息表ReaderCREATE TABLE Reader（ReaderNo varchar(30) not null,ReaderName varchar(50) not null,ReaderSex varchar(50) not null,Workplace varchar(100) not null,Number varchar(50) not null,CONSTRAINT ReaderPK PRIMARY KEY(ReaderNo))创建借阅表BorrowListCREATE TABLE BorrowList（Id varchar(50) not null,BNo varchar(20) not null,BookNo varchar(50) not null,Bcount varchar(20) not null,Sta tus varchar(20) not null,Date datetime not null,CONSTRAINT BorrowListPK PRIMARY KEY(Id ,BNo),CONSTRAINT BorrowListPK1 FOREING KEY(BookNo) REFERENCES BookInfo(BookNo))创建用户表UsersCREATE TABLE Users（User_type varchar(20) not null,UserName varchar(40) not null,Pwd varchar(40) not null,CONSTRAINT UsersPK PRIMARY KEY(User_type))（2）应用系统的开发在开发工具VB环境下，实现本系统的开发，包括登录对话框的设计，系统主窗体的设计，系统主菜单的设计，各个功能模块对应子窗体的设计(根据需要，可将一些功能模块合并在同一个窗体中)。

前段时间，美国的求职网站Glassdoor评出了本年度最受欢迎、好评最高的100家企业，所有的评价和评分都来自于各公司员工的真实想法，面下面来说说美国最受欢迎的名企排行榜。

1.Facebook企业评分：4.6;行业：科技;员工评价：在这里工作太棒了，没有别的地方我更愿意去。

你会和非常聪明的人一起工作，他们充满活力，相信他们正在做的工作。

在这里你会感觉自己被赋予了权利去改变和影响这个世界。

2Bain & Company企业评分：4.6;行业：咨询;员工评价：我热爱在这里工作最大的原因是这里的人，这里的工作氛围会让你觉得每天都充满激情和挑战。

3Boston Consulting Group企业评分：4.6;行业：咨询;员工评价：公司为大家提供了行业内很高的声望，无限的增长潜力，一流的培训，世界上最聪明、最具创造力的同事，免费的食物和饮料。

4In-N-Out Burger企业评分：4.6;行业：食品连锁;员工评价：日程安排非常灵活，你和相似的人一起工作，每个人都很好相处，你会迅速升职，你每天真的会感到被感激9次10次，还有免费的午餐。

总之，在这里你会获得灵活的工作时间、丰厚的薪水和丰厚的福利。

5Google企业评分：4.6;行业：科技;员工评价：这里有非常聪明能干的同事，令人兴奋的产品，出色的管理，惊人的额外津贴(保险选择，食物，几乎所有东西的折扣)，旅行的机会。

6lululemon企业评分：4.6;行业：运动配件零售;员工评价：这是一个很棒的团队成员，可以让你有持续的个人和职业发展，不断提高自己学习、成长和发展的能力。

在这里你会真正感觉到你拥有对企业的所有权，并且能够为商店的成功做出贡献。

7HubSpot企业评分：4.6;行业：营销自动化;员工评价：这里有这样一种文化：无论你的角色是什么，如果你有话要说，你的声音就会被听到。

在这里工作的人都是聪明的，非常努力的工作，而且通常都很有趣。

8World Wide Technology企业评分：4.5;行业：科技咨询;员工评价：我无法想象其他公司会鼓励员工与其他部门进行交叉培训，担任未来的领导阶层，或者像WWT一样对员工进行投资。

Unit 6Space and beyond基础知识过关Ⅰ.阅读单词1．notion n.____________2．hazardous adj. ____________3．shuttle n. ____________4．the space shuttle ____________5．excursion n. ____________6．instantaneously ad v. ____________7．suspend v. ____________8．lifelike adj. ____________9．the naked eye ____________10．galaxy n. ____________11．cosmic adj. ____________12．conceivably ad v. ____________13．subatomic adj. ____________14．particle n. ____________Ⅱ.核心单词1．________ n. 坏影响，阴影2．________ v. (因疼痛、惊恐、兴奋等)尖声大叫3．________ n. (飞机上的)全体机组人员4．________ v. 提交5．________ adj. 很好的，了不起的6．________ n. 望远镜7．________ v. 斜置8．________ adj. 简单的9．________ n. 自我约束，自律10．________ v. (去)拿来11．________ n. 肌肉12．________ n. 胡椒粉13．________ v. 打喷嚏14．________ n. 激光唱片；光碟，光盘Ⅲ.拓展单词1．unexceptional adj.平常的→________ adj.例外的；独特的2．rekindle v．重新激起，重新唤起→________ v．鼓舞；点燃3．tragically ad v.悲惨地，不幸地→________ adj.悲惨的4．simulated adj.模仿的，模拟的；仿真的→________ v．模仿；假装；冒充→________ n．(用于人员训练的)模拟装置，模拟器5．invisible adj.看不见的→________ adj.看得见的Ⅳ.重点短语1．____________习惯于(做)某事2．____________ 心提到嗓子眼3．____________ 起飞4．____________ 向某人挥手5．____________ 给……蒙上阴影6．____________ 步入；进入7．____________ 接近；向……靠近8．____________ 报名参加9．____________ 计算出；解决；锻炼10．____________ 忙于；从事11．____________ 看不到12．____________ 在……边缘Ⅴ.经典句式1．The sacrifice of the Challenger calls to us, reminding us that we must continue to reach for the stars, __________________________ distant they might seem.“挑战者”号的失事召唤着我们，提醒我们必须继续向星空进发，不管它们看起来有多遥远。

.NET4.6.2正式发布带来众多特性虽然⼤多数⼈的注意⼒都集中在.NET Core上，但与原来的.NET Framework相关的⼯作还在继续。

.NET Framework 4.6.2正式版已于近⽇发布，其重点是安全和WinForms/WPF//WCF相关的特性, 微软的Stacey Haffner了有关该版本的详细信息。

他还提供了⼀个4.6.2版本的完整变化列表以及API变化。

微软已经提供了、和。

那些运⾏Windows 10并进⾏了周年更新的开发⼈员，其系统上已经安装了4.6.2版本。

ClickOnce当分发基于Windows Forms或WPF的应⽤程序时，⼤多数组织都会认真考虑使⽤ClickOnce。

ClickOnce允许应⽤程序通过URL便捷地分发。

不同于通过应⽤商店分发的程序，ClickOnce应⽤程序可以在新版本发布时⾃⾏更新。

只要在服务器端做⼀点点⼯作，InfoQ上有篇2008年的⽂章详细介绍怎么做。

由于ClickOnce应⽤程序对企业⽤户⽽⾔如此重要，所以安全当然是⼀个关注的重点。

这就是为什么运维团队会对微软采⽤TLS标准缓慢⽽⾮常地失望，之前已经爆过很多SSL 的相关漏洞。

虽然TLS 1.1和TLS 1.2已分别于2006年和2008年发布，但这是第⼀个实际⽀持那些标准的.NET ClickOnce版本。

加密⾸先是⽀持新标准。

主要特性如下：.NET Framework 4.6.2新增DSA（数字签名算法）X509证书⽀持，其密钥长度超过FIPS 186-2 的1024位限制，⽀持FIPS 186-3。

除了⽀持FIPS 186-3更⼤的密钥⼤⼩外，.NET Framework 4.6.2允许使⽤SHA-2族哈希算法（SHA256、SHA384和SHA512）计算签名。

FIPS 186-3⽀持由新增的类DSACng提供。

谈及“在软件和硬件设备上存储持久化对称密钥”，⾄少是从Windows 7开始，微软就提供了。

图书捐赠活动策划方案英语1. Introduction:The Book Donation Drive "Empowering Minds, Enriching Lives" aims to promote literacy, enhance educational opportunities, and foster a love for reading in underserved communities. This comprehensive plan outlines the objectives, target audience, strategies, and implementation details for a successful book donation campaign.2. Objectives:- Collect a minimum of 5000 books in good condition to donate to schools, libraries, and community centers.- Increase awareness about the importance of reading and access to books.- Promote volunteerism and community engagement.3. Target audience:- Individuals and organizations passionate about education, reading, and community development.- Schools, libraries, and community centers in underserved areas.4. Strategy:4.1 Pre-campaign Preparation:- Conduct a detailed research of underserved areas with limited access to books and educational resources.- Establish partnerships with local schools, libraries, community centers, and NGOs working in education.- Create a dedicated team responsible for coordinating and implementing the campaign. 4.2 Promotion and Publicity:- Develop a visually appealing and informative campaign website, highlighting the importance of books and reading.- Utilize social media platforms to reach a wider audience by running targeted ads, sharing stories of impact, and engaging with followers.- Collaborate with local media outlets to publish articles, interviews, and press releases about the campaign.4.3 Book Collection:- Set up book collection centers at schools, universities, libraries, and corporate offices across the target areas.- Organize book drives in partnership with youth organizations, clubs, and community groups.- Offer incentives to encourage book donations, such as certificates of appreciation or small rewards.4.4 Sorting and Evaluation:- Mobilize a team of volunteers to sort through donated books, ensuring they are in good condition and age-appropriate for the intended recipients.- Categorize books based on subjects, reading levels, and language to ensure effective distribution.4.5 Book Distribution:- Collaborate with local schools, libraries, and community centers to identify beneficiaries in underserved communities.- Develop a fair and transparent distribution system, considering factors such as need, accessibility, and engagement.- Organize book fairs or reading festivals in the target areas to celebrate the joy of reading and distribute the books collected.4.6 Monitoring and Evaluation:- Develop a system to track and measure the impact of the campaign on literacy rates and reading habits.- Conduct surveys and interviews with beneficiaries to gather feedback on the donated books and evaluate the campaign's success.- Share success stories, testimonials, and impact reports to inspire donors and attract future partnerships.5. Resource Mobilization:5.1 Financial resources:- Seek corporate sponsorship, grants, and donations to cover campaign costs, such as website development, promotional materials, logistics, and transport.- Launch online crowdfunding campaigns to engage individuals in supporting the cause. 5.2 Volunteer engagement:- Recruit and train volunteers to assist in book collection, sorting, distribution, and monitoring activities.- Organize volunteer appreciation events and recognition programs to acknowledge their efforts.6. Timeline:- Pre-campaign preparation: 1 month- Promotion and Publicity: 2 months- Book collection: 2 months- Sorting and evaluation: 1 month- Book distribution: 1 month- Monitoring and evaluation: Ongoing throughout the campaign7. Budget:- Website development and maintenance: $1000- Promotional materials (brochures, banners, posters): $500- Logistics and transportation: $2000- Volunteer training and appreciation: $1000- Administrative expenses: $5008. Conclusion:The Book Donation Drive "Empowering Minds, Enriching Lives" is a comprehensive plan designed to promote literacy and provide access to books in underserved areas. By engaging individuals, organizations, and communities, this campaign seeks to empower minds and enrich lives through the power of reading. With a strategic approach and focused implementation, the campaign aims to make a substantial impact, fostering a love for books and transforming lives for the better. Together, let's turn the page on illiteracy and unlock a brighter future for all.。

Electrical Engineering Textbook SeriesRichard C. Dorf, Series EditorUniversity of California, DavisForthcoming TitlesApplied Vector AnalysisMatiur Rahman and Issac MulolaniOptimal Control SystemsSubbaram NaiduContinuous Signals and Systems with MATLAB T aan ElAli and Mohammad A. KarimDiscrete Signals and Systems with MATLABT aan ElAliEdward J. RothwellMichigan State UniversityEast Lansing, MichiganMichael J. CloudLawrence Technological UniversitySouthfield, MichiganCRC PressBoca Raton London New York Washington, D.C.This book contains information obtained from authentic and highly regarded sources. Reprinted material is quoted with permission, and sources are indicated. A wide variety of references are listed. Reasonable efforts have been made to publish reliable data and information, but the author and the publisher cannot assume responsibility for the validity of all materials or for the consequences of their use.Neither this book nor any part may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, microfilming, and recording, or by any information storage or retrieval system, without prior permission in writing from the publisher.The consent of CRC Press LLC does not extend to copying for general distribution, for promotion, for creating new works, or for resale. Specific permission must be obtained in writing from CRC Press LLC for such copying.Direct all inquiries to CRC Press LLC, 2000 N.W. Corporate Blvd., Boca Raton, Florida 33431, or visit our Web site at Trademark Notice: Product or corporate names may be trademarks or registered trademarks, and are used only for identification and explanation, without intent to infringe..Visit our website at International Standard Book Number 0-8493-1397-XLibrary of Congress Card Number 00-065158Printed in the United States of America 1 2 3 4 5 6 7 8 9 0Printed on acid-free paperIn memory of Catherine RothwellPrefaceThis book is intended as a text for afirst-year graduate sequence in engineering electro-magnetics.Ideally such a sequence provides a transition period during which a student can solidify his or her understanding of fundamental concepts before proceeding to spe-cialized areas of research.The assumed background of the reader is limited to standard undergraduate topics in physics and mathematics.Worthy of explicit mention are complex arithmetic,vec-tor analysis,ordinary differential equations,and certain topics normally covered in a “signals and systems”course(e.g.,convolution and the Fourier transform).Further an-alytical tools,such as contour integration,dyadic analysis,and separation of variables, are covered in a self-contained mathematical appendix.The organization of the book is in six chapters.In Chapter1we present essential background on thefield concept,as well as information related specifically to the electro-magneticfield and its sources.Chapter2is concerned with a presentation of Maxwell’s theory of electromagnetism.Here attention is given to several useful forms of Maxwell’s equations,the nature of the fourfield quantities and of the postulate in general,some fundamental theorems,and the wave nature of the time-varyingfield.The electrostatic and magnetostatic cases are treated in Chapter3.In Chapter4we cover the representa-tion of thefield in the frequency domains:both temporal and spatial.Here the behavior of common engineering materials is also given some attention.The use of potential functions is discussed in Chapter5,along with otherfield decompositions including the solenoidal–lamellar,transverse–longitudinal,and TE–TM types.Finally,in Chapter6 we present the powerful integral solution to Maxwell’s equations by the method of Strat-ton and Chu.A main mathematical appendix near the end of the book contains brief but sufficient treatments of Fourier analysis,vector transport theorems,complex-plane inte-gration,dyadic analysis,and boundary value problems.Several subsidiary appendices provide useful tables of identities,transforms,and so on.We would like to express our deep gratitude to those persons who contributed to the development of the book.The reciprocity-based derivation of the Stratton–Chu formula was provided by Prof.Dennis Nyquist,as was the material on wave reflection from multiple layers.The groundwork for our discussion of the Kronig–Kramers relations was provided by Michael Havrilla,and material on the time-domain reflection coefficient was developed by Jungwook Suk.We owe thanks to Prof.Leo Kempel,Dr.David Infante, and Dr.Ahmet Kizilay for carefully reading large portions of the manuscript during its preparation,and to Christopher Coleman for helping to prepare thefigures.We are indebted to Dr.John E.Ross for kindly permitting us to employ one of his computer programs for scattering from a sphere and another for numerical Fourier transformation. Helpful comments and suggestions on thefigures were provided by Beth Lannon–Cloud.Thanks to Dr.C.L.Tondo of T&T Techworks,Inc.,for assistance with the LaTeX macros that were responsible for the layout of the book.Finally,we would like to thank the staffmembers of CRC Press—Evelyn Meany,Sara Seltzer,Elena Meyers,Helena Redshaw,Jonathan Pennell,Joette Lynch,and Nora Konopka—for their guidance and support.ContentsPreface1Introductory concepts1.1Notation,conventions,and symbology1.2Thefield concept of electromagnetics1.2.1Historical perspective1.2.2Formalization offield theory1.3The sources of the electromagneticfield1.3.1Macroscopic electromagnetics1.3.2Impressed vs.secondary sources1.3.3Surface and line source densities1.3.4Charge conservation1.3.5Magnetic charge1.4Problems2Maxwell’s theory of electromagnetism2.1The postulate2.1.1The Maxwell–Minkowski equations2.1.2Connection to mechanics2.2The well-posed nature of the postulate2.2.1Uniqueness of solutions to Maxwell’s equations2.2.2Constitutive relations2.3Maxwell’s equations in moving frames2.3.1Field conversions under Galilean transformation2.3.2Field conversions under Lorentz transformation2.4The Maxwell–Boffiequations2.5Large-scale form of Maxwell’s equations2.5.1Surface moving with constant velocity2.5.2Moving,deforming surfaces2.5.3Large-scale form of the Boffiequations2.6The nature of the fourfield quantities2.7Maxwell’s equations with magnetic sources2.8Boundary(jump)conditions2.8.1Boundary conditions across a stationary,thin source layer2.8.2Boundary conditions across a stationary layer offield discontinuity2.8.3Boundary conditions at the surface of a perfect conductor2.8.4Boundary conditions across a stationary layer offield discontinuity usingequivalent sources2.8.5Boundary conditions across a moving layer offield discontinuity2.9Fundamental theorems2.9.1Linearity2.9.2Duality2.9.3Reciprocity2.9.4Similitude2.9.5Conservation theorems2.10The wave nature of the electromagneticfield2.10.1Electromagnetic waves2.10.2Wave equation for bianisotropic materials2.10.3Wave equation in a conducting medium2.10.4Scalar wave equation for a conducting medium2.10.5Fields determined by Maxwell’s equations vs.fields determined by thewave equation2.10.6Transient uniform plane waves in a conducting medium2.10.7Propagation of cylindrical waves in a lossless medium2.10.8Propagation of spherical waves in a lossless medium2.10.9Nonradiating sources2.11Problems3The static electromagneticfield3.1Staticfields and steady currents3.1.1Decoupling of the electric and magneticfields3.1.2Staticfield equilibrium and conductors3.1.3Steady current3.2Electrostatics3.2.1The electrostatic potential and work3.2.2Boundary conditions3.2.3Uniqueness of the electrostaticfield3.2.4Poisson’s and Laplace’s equations3.2.5Force and energy3.2.6Multipole expansion3.2.7Field produced by a permanently polarized body3.2.8Potential of a dipole layer3.2.9Behavior of electric charge density near a conducting edge3.2.10Solution to Laplace’s equation for bodies immersed in an impressedfield3.3Magnetostatics3.3.1The magnetic vector potential3.3.2Multipole expansion3.3.3Boundary conditions for the magnetostaticfield3.3.4Uniqueness of the magnetostaticfield3.3.5Integral solution for the vector potential3.3.6Force and energy3.3.7Magneticfield of a permanently magnetized body3.3.8Bodies immersed in an impressed magneticfield:magnetostatic shielding3.4Staticfield theorems3.4.1Mean value theorem of electrostatics3.4.2Earnshaw’s theorem3.4.3Thomson’s theorem3.4.4Green’s reciprocation theorem3.5Problems4Temporal and spatial frequency domain representation4.1Interpretation of the temporal transform4.2The frequency-domain Maxwell equations4.3Boundary conditions on the frequency-domainfields4.4The constitutive and Kronig–Kramers relations4.4.1The complex permittivity4.4.2High and low frequency behavior of constitutive parameters4.4.3The Kronig–Kramers relations4.5Dissipated and stored energy in a dispersive medium4.5.1Dissipation in a dispersive material4.5.2Energy stored in a dispersive material4.5.3The energy theorem4.6Some simple models for constitutive parameters4.6.1Complex permittivity of a non-magnetized plasma4.6.2Complex dyadic permittivity of a magnetized plasma4.6.3Simple models of dielectrics4.6.4Permittivity and conductivity of a conductor4.6.5Permeability dyadic of a ferrite4.7Monochromaticfields and the phasor domain4.7.1The time-harmonic EMfields and constitutive relations4.7.2The phasorfields and Maxwell’s equations4.7.3Boundary conditions on the phasorfields4.8Poynting’s theorem for time-harmonicfields4.8.1General form of Poynting’s theorem4.8.2Poynting’s theorem for nondispersive materials4.8.3Lossless,lossy,and active media4.9The complex Poynting theorem4.9.1Boundary condition for the time-average Poynting vector4.10Fundamental theorems for time-harmonicfields4.10.1Uniqueness4.10.2Reciprocity revisited4.10.3Duality4.11The wave nature of the time-harmonic EMfield4.11.1The frequency-domain wave equation4.11.2Field relationships and the wave equation for two-dimensionalfields4.11.3Plane waves in a homogeneous,isotropic,lossy material4.11.4Monochromatic plane waves in a lossy medium4.11.5Plane waves in layered media4.11.6Plane-wave propagation in an anisotropic ferrite medium4.11.7Propagation of cylindrical waves4.11.8Propagation of spherical waves in a conducting medium4.11.9Nonradiating sources4.12Interpretation of the spatial transform4.13Spatial Fourier decomposition4.13.1Boundary value problems using the spatial Fourier representation4.14Periodicfields and Floquet’s theorem4.14.1Floquet’s theorem4.14.2Examples of periodic systems4.15Problems5Field decompositions and the EM potentials5.1Spatial symmetry decompositions5.1.1Planarfield symmetry5.2Solenoidal–lamellar decomposition5.2.1Solution for potentials in an unbounded medium:the retarded potentials5.2.2Solution for potential functions in a bounded medium5.3Transverse–longitudinal decomposition5.3.1Transverse–longitudinal decomposition in terms offields5.4TE–TM decomposition5.4.1TE–TM decomposition in terms offields5.4.2TE–TM decomposition in terms of Hertzian potentials5.4.3Application:hollow-pipe waveguides5.4.4TE–TM decomposition in spherical coordinates5.5Problems6Integral solutions of Maxwell’s equations6.1Vector Kirchoffsolution6.1.1The Stratton–Chuformu la6.1.2The Sommerfeld radiation condition6.1.3Fields in the excluded region:the extinction theorem6.2Fields in an unbounded medium6.2.1The far-zonefields produced by sources in unbounded space6.3Fields in a bounded,source-free region6.3.1The vector Huygens principle6.3.2The Franz formula6.3.3Love’s equivalence principle6.3.4The Schelkunoffequivalence principle6.3.5Far-zonefields produced by equivalent sources6.4ProblemsA Mathematical appendixA.1The Fourier transformA.2Vector transport theoremsA.3Dyadic analysisA.4Boundary value problemsB Useful identitiesC Some Fourier transform pairsD Coordinate systemsE Properties of special functionsE.1Bessel functionsE.2Legendre functionsE.3Spherical harmonics References。