tommath库，一个很好的大数库，可以用来做ras和E

鉴于目前网间结算的话单采集存在着实时性差、采集点分散、过分依赖交换机提供的接口以及结算欠准确等特点，介绍了一种基于七号信令系统的新式局间话单采集系统。该系统采用高阻跨接在信令链路上，实时采集链路上的消息，经过分析处理后提供给计费系统结算。具有技术先进、实时性高、容量大、可靠性高、运行稳定等特点，有效地解决了局部话单采集问题。-communication

字符统计程序,统计输入并输出字符由vc实现-Characters statistical procedures, statistical input and output characters by vc realize

数字通信最好的书籍，中文版的，绝对值得收藏！-The best books on digital communications, the Chinese version, and definitely worth collection!

Data+Structures+Algorithms+in+Java,讲术java的数据结构和算法-Data Structures in Java, java stresses in the data structure and algorithm

java 设计模式思想, 英文中译版的, 内容有点抽象, 不过总的来说还不错 -java design patterns of thought, the English translation version of the content a bit abstract, but in general good

Sliding mode control design

c语言高级开发指南，策重于实际应用。这是这本书的开头部份，有想要的可以联系我啊-Advanced Development Guide c language, emphasis on the practical application of policy

mp3文件格式说明文档-MP3 file format documentation

有限差分方法的介绍，数值计算中用来求解常微分方程或偏微分方程的常用方法。-Introduction to finite difference method, numerical calculations used to solve ordinary differential equations or partial differential equations of the common method.

徐士良《数值算法与计算》的全书代码-XU Shi-liang, "Numerical Algorithms and Computation," the code book