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SPEI计算SPEI的R语言版与可执行版（含下载网址）.rar(SPEI calculated SPEI R-language version of the executable version (with download link). Rar)

该程序主要用到了几个RAS　ＡＰＩ函数和多线程技术。　具体实现请参考源代码！-the procedure used by several major RAS API function and multi-threading technology. Please refer to achieve specific source code!

这是非常好的关于网络编程的例子，实现了ping程序，对于学习网络编程的人员来说是非常难得的材料。-It is a very good example of programming on the network to achieve the ping process, for learning network programming staff is very rare material.

说明：  绘制B样条曲线，可以修改参数，给出控制点，拟合b样条(You can modify parameters by drawing a B-spline curve)

这是一个基本的数据库编程实例,里面最特别的地方是即使出数据库里面出现多条完全相同的记录,它也能操作,而不会出错。(This is a basic database programming examples, there is the most special place inside the database even if there is more of the same record, which can operate without error.)

标准串口和模拟串口4位164动态数码管显示程序 1.CPU ：89C51 晶振2MHz 2.在proteus上仿真通过 3. 测试时将部分语句屏蔽 (Standard serial and analog serial 4 164 dynamic digital tube display program 1.CPU: 89C51 crystal 2MHz 2. The proteus simulation through 3 will be part of the statement shield test)

用于摄像机云台控制的类库，支持Pelco P和D协议，可以方便开发人员扩展。(For the camera pan and tilt control, libraries, support Pelco P and D protocol, developers can easily expand.)

stc12c5a60s2AD采样，两路，验证，可使用。(AD sampling)

一份创建双层PDF的C#源代码。应该没有重复。对于双层PDF，大家可以搜索一下。(A PDF of the C# to create two-tier source code. There should be no repetition. For the double-PDF, we can search on.)

一般的聊天程序都是使用socket方式通讯的。对于一个聊天程序来说一般是一个服务器用来中转消息，然后是多个客户端通过连接服务器来消息交换。(General chat programs are using the socket mode of communication. For a chat program, it is generally a server used to relay the message, then multiple clients to connect to the server through the exchange of messages.)