功能：返回自格林威治时间1970年1月1日午夜（00：00：00）开始所经历的秒数，没有错误返回值...

高斯列主元消去法 详细，易懂，简单明了 初学者可看-Gaussian elimination method PCA out detailed, easy-to-understand, simple to understand for beginners, if we look at

VC入门程序，用MFC编写你的第一个程序-VC entry procedures, using MFC you prepared for the first procedure

模仿WINDOWS自带的计算写的，科学型有部分功能还没实现-WINDOWS imitate the calculation of own writing, science-type has some features not yet realize

以下是使用MFC第2版编程Visual Studio的源文件。该文件包含运行该程序所需的所有内容。

　　沙漠行车问题数学模型的Ｃ语言程序，运行可得通过的最优耗油量的值．-Math model of Travelling in desert,use C language.Can get the optimized consume of oil.

按照屏幕的提示，我们可以从键盘输入指数和系数，两个多项式的输入结束是以两个连续的０为标志．本程序可以实现两个多项式的加法-accordance with the instructions on your screen, we can input from the keyboard and index coefficient, the importation of two polynomials is the end of two consecutive 0 mark. This program can achieve two polynomials Adder

IP服务的特点如下：数据应用包括办公自动化系统、WWW、FTP、电子邮件等。其传输特点是猝发式传送，即数据流的出现不定时，而一旦出现数据流，则流量非常大，经常在短时间内占用整个主干网带宽。-IP services to the following features : data applications including office automation systems, WWW, FTP and e-mail. Its transmission is characterized by the sudden-transmitted data stream that is the emergence of irregular, and once the data flow, the flow is very large, often in a short period of time using the entire backbone network bandwidth.

有n个整数，使其前面各数顺序向后移m个位置，最后m个数变成最前面的m个数-There are integers n, the number of its previous order of the backward shift position m, and finally the number m of m into the top of the number of

简单通信系统在matlab仿真，包括了数字通信系统的各个组成部分 简单通信系统在matlab仿真，包括了数字通信系统的各个组成部分 简单通信系统在matlab仿真，包括了数字通信系统的各个组成部分 简单通信系统在matlab仿真，包括了数字通信系统的各个组成部分

高质量C++编程指南,书中对C++的使用给出了各种规范-high quality C++