ds.asm－－ －－--- --- -倒计时器源程序-ds.asm-------------- countdown device source

c++, 关于重载2-c, on heavy 2

VB建立三角形网，继续土方量计算等！能连接到Auto cad-triangular VB established networks continue earthwork calculations! Can be connected to the Auto marker

lcd编程所需要的点阵图，该文件上传的是24X24的点阵图片，可以给大家提供些参考，帮助设计更优美的交互界面。-lcd programming required bitmap, the file upload is a 24X24 dot matrix picture, you can provide some reference to the U.S. to help design a more elegant interface.

俄罗斯方块 是一个老幼皆宜的经典的游戏 是一种意志的小游戏-Tetris is a classic for both young and old-Safe game is a game of will

射线追踪程序，用于天然地震中的层析成像，稍做修改可用于其他领域。-ray tracing program for the natural seismic tomography, can be used to make slight changes in other areas.

根据渗流力学原理，通过分析油井的不稳定试井数据求取地层参数；附带有数据。-According to seepage mechanics, through the analysis of instability in oil well test data to strike a formation parameter incidental data.

计算水仙花数（x^3+y^+z^3=x+y+z)3的程序.-calculated narcissi (x ^ 3 ^ y = z ^ 3 x y z) 3 procedures.

双线性变换法无限长单位脉冲响应滤波器的设计，用到的模拟原型是切比雪夫和巴特沃斯低通滤波器。能够显示滤波器的幅频特性和相频特性曲线-bilinear transform infinite impulse response filter units in the design, use of simulation is a prototype and Chebyshev low-pass Butterworth filter. To demonstrate the filter frequency characteristics and phase frequency response curve

一些有用的c++算法实现-some useful c Algorithm