Visual-FoxPro

说明：  The ink screen, as you can see,

说明：  锁相的意义是相位同步的自动控制,能够完成两个电信号相位同步的自动控制闭环系统叫做锁相环,简称PLL. 3种软件锁相的方法：指针归零法，先调频后调相法，调频调相同时进行法。(The meaning of phase-locked is the automatic control of phase synchronization. The automatic control closed-loop system that can complete the phase synchronization of two electrical signals is called PLL The 3 method of software phase-locked: pointer to zeros, first phase modulation after frequency modulation, frequency modulation phase modulation at the same time.)

说明：  LED, as you can see,

Delphi下用Intraweb开发WEB程序应用实战(Developing WEB Application with Intraweb under Delphi)

说明：  Latex必备书籍之一Tobias Oetiker著作，共六章，包括最基础的入门操作、索引、公式和比较难的图形等，完全够写一篇论文(One of the Necessary Books of Latex)

说明：  串口通讯大权，介绍了RS232，RS422，RS485等串行通讯的协议，规范，具体说明等。帮助你写好串口同学(Serial communication power, introduced the RS232, RS422, RS485 and other serial communication protocol, standardization, and specific descriptions. Students help you write the serial)

python学习手册，可供机器学习的同学学习，讲的还是比较好。(Python learning manuals, for machine learning students to learn, speak better.)

很不错的高并发编程资料，讲的也狠细！共大家一起学习！(Learning materials 2312312)

说明：  该电子图书主要是关于wincc7.3 版本的，包括各个模块，十分详细(he e-book is primarily about wincc7.3 version, including the various modules, very detailed)

说明：  一款C语言代码方法搜索手册，方便写代码的字典(A C language code method search manual, easy to write code dictionary)