可以清除电脑使用痕迹，采用美国国防部标准，安全可靠，提供信息隐藏功能...

大地电磁测深（MT）一维层状模型电阻率正演。计算不同频率的电阻率，反应电阻率随深度的变化。-Magnetotelluric sounding (MT) one-dimensional layered model of resistivity forward modeling. Calculate the resistivity of different frequencies, the reaction changes in resistivity with depth.

一个比较老的好书-a veteran of the books

Protel常用元件库封装，有网上找的，有自己做的，现集中起来献给大家，希望对学习Protel的朋友有所帮助！-Protel libraries commonly used package has to find online and have their own make, and is dedicated to everyone together, and they hope to learn from Protel help a friend!

Overview DSN-Less Connection dBASE Excel Text File Visual FoxPro Access database SQL Server Oracle MySQL AS400 Sybase Sybase SQL AnyWhere DSN Connection -Overview DSN-Less Connection dBASE Excel Text File Access Visual FoxPro database SQL Ser ver Oracle MySQL Front Sybase Sybase SQL AnyWhe "re DSN Connection

VBA费用报销表 VBA费用报销表 VBA费用报销表-VBA费用报销表 VBA费用报销表 VBA费用报销表 VBA费用报销表

一个非常简洁的截包工具，带有MD5加密分析功能，-a very simple tools of the latest package, with MD5 analysis functions,

将笛卡尔坐标系上的点定义为一个服务类Point，Point类提供求得坐标系上两点间距离的功能、获取和设置坐标的功能、获取极坐标的功能，和完成对已创建的Point类对象统计功能。设计测试Point服务类的应用程序主类，测试并显示输出提供功能的结果。(求以点(1,1)为极坐标原点，点(5,5)的极坐标)-Will be a point on the Cartesian coordinate system is defined as a service class Point, Point class provides coordinates obtained on the function of the distance between two points, access and set coordinates, polar coordinates to obtain functions, and the completion of the Point that have been created class object statistical functions. Design Test Point service class application" s main class to provide functionality to test and display the output results. (Seeking to point (1,1) to polar coordinates origin point (5,5) in polar coordinates)

电子秒表。利用VC＋＋实现简单的计时。可以了解VC中定时器的使用方式，以及对系统时间的获取方式。-electronic stopwatch. VC++ realization of a simple time. VC can understand the use of the timer, as well as the system time access methods.

介绍了一种求解复杂优化问题的启发式算法--蚁群算法.该方法通过模拟蚁群对"信息素"的控制和利用进行搜索食物的过程-a distributed algorithm for the solution of combinatorial optimization problems which was inspired by the observation of real colonies of ants. We apply ACS to both symmetric and asymmetric traveling salesman problems. Results show that ACS is able to find good solutions to these problems

是c++语言所写，能解简单的方程组，只是一个例子-Is c++ Language, to obtain the simple equations, is just one example