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有不同重量的物品n件，求从这n件物品中任取一部分物品放入背包，使选中的物品的总重量不超过指定的限制重量，但选中物品的价值之合为最大。即任意给定物品个数及它们的重量和价值，在最大的限制重量一定的情况下，为了使价值最大，选出最优解。(There are different weights of items n pieces from n items in order to obtain any portion of the goods into the backpack, so that the total weight of the selected items does not exceed the specified weight limit, but the combined value of selected items as the greatest. That any given number of items and their weight and value limits the maximum weight of certain circumstances, in order to value the most, select the optimal solution.)

vc编写的很小的监控数据包的程序，程序体积很小，目前只能在window2000下运行。-vc prepared by the small data packets monitoring procedures, procedures for small size, we can only window2000 running.

网络开发工具包，包含三个类：服务器，客户端和消息队列 -Tool lib for network development, contains three class : server, client and message queen

系统工具应用源码，例程程序结合易语言扩展界面支持库，调用API函数实现系统部分功能的应用。(System Tools application source code , combined with easy language extensions routine program interface support library , call the API functions to achieve some of the features of the application system .)

说明：  C#封装海康客户端，根据海康提供的C++ DLL翻译成为C#封装，直接连接DVR并带有云台控制功能(C# package Haikang client, provided under the Haikang C++ DLL package translated into C# and directly connected with DVR and PTZ control)

留言板的功能如下：（1）用户发表 包括：发表留言功能，查看留言功能，个性化留言板功能（2）管理员功能 包括：回复留言功能，删除留言功能，配置系统功能(Message board functions as follows: (1) User published include: Post Message function to see the voice mail, personalized message board features (2) administrator features include: voice mail reply, delete message function, configure the system function)

说明：  千年私服微加速简单盒子适用于大千私服，不变态不掉线蓝屏稳定(Millennium private service micro acceleration simple box)

说明：  原子stm32战舰板新建工程必备，新手必看，方便快捷(Necessary for New Construction of Atomic STM32 Warship Plate)

一个元器件管理的管理软件。主要体现在对数据增删改查方面，即对数据库的操作。使用的是ACCESS数据库，ADO方式连接。程序启动时弹出登陆界面。用户名admin，密码123456。不同的用户登陆之后界面也不一样。(An Element Manager System，Use Access Database for add,delete,update and query data.Use ado type connect Database.You can use user:admin,password:123456 login in.and different user have different functions.)

计算机网络编程，可以实现ARP解析，基于VC++，需要配置好wincap(Computer network programming, ARP parsing can be achieved, based on VC++, need to configure WINCAP)