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说明：  基于WHO PEN干预的慢性病管理信息系统，普通的增删改查功能(The chronic management information system based on the WHO's intervention, the general increase and delete function)

说明：  基于springboot实现的多线程并发任务，创建多任务并发执行的DEMO(Multi-threaded concurrent tasks based on spring boot to create DEMO for multi-task concurrent execution)

Caculator is veri good which is helpful.eds

说明：  ipdatabase 二叉树快速搜索IP地址数据库 数据 数据源采用2015年广告协会制定的IP地址标准数据库，中国互联网广告行业统一采用的标准IP库。 原理 利用二叉树实现IP查询，首先将10进制IPV4地址转化为二进制构建二叉树，利用二叉树搜索进行搜索，查询时间复杂度log2n，比传统IP库n的查询速度高出一个量级。(Ipdatabase Binary Tree Fast Search IP Address Database data The data source is the standard IP address database formulated by the Advertising Association in 2015, and the standard IP database adopted by the Internet advertising industry in China. principle The binary tree is used to realize IP query. Firstly, the 10-bit IPV4 address is converted into binary to construct a binary tree, and the binary tree search is used to search. The query time complexity log2n is one order of magnitude higher than that of traditional IP library n.)

《计算机网络》中文版本,经典书籍，学习网络知识必备("Computer Network" Chinese version, classic books, learning network knowledge necessary)

java 实现 微信公众平台开发 服务器与微信公众平台连接( java achieve micro-channel public platform)

说明：  我这我自己开发的超市进销存系统，包含销售员的管理，商品的管理(I developed my own supermarket purchase, sale and storage system)

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小型户籍管理系统，可以实现基本的增删改查功能(Small household registration management system)

简单的书店管理系统,是课设期间教师指导完成的,希望会对大家有帮助!(Bookstore simple management system, is a lesson for teachers to guide the completion of the period, and I hope you will help!)