一个小的倒计时器，可以设置需要倒计时的时间。

h.264官方版中文标准文档H.264_Prepublish_0503-h.264 standard official Chinese version of the document H.264_Prepublish_0503

NIPS simulation tutorial-NIPS simulation tutorial.............................

设计一个鼠标程序，在按下Ctrl键的同时按下鼠标左键，在窗口中拖动鼠标，可以画出一个圆；在按下Shift键的同时按下鼠标左键，在窗口中拖动鼠标，画出一个矩形。-The design of a mouse procedures, press the Ctrl key while pressing the left mouse button, drag the mouse in the window, you can draw a circle in pressing Shift key while pressing the left mouse button, drag the mouse in the window , draw a rectangle.

example for lcd1602 with 8051 ide program use 8051 with c code  

国产变频器键盘源程序，包括与主控板通信， 液晶驱动，led驱动，按键-Domestic source converter keyboard, including the master board communications, LCD driver, led driver, keys

abot solar system using c

对时间滞后系统进行状态反馈控制器参数设计-Time-lag system for the design of state feedback controller parameters

第二种边界条件的三次样条函数插值与微商-second boundary conditions cubic spline interpolation function and the derivative

sjf2410/2440烧写工具，非常好用的，大家可以试试看哈-sjf2410/2440 burning tool, very useful, and we can try Kazakhstan

pythoncook程序设计教程，不过是英文的。它和c++语言一样的强大，如果你对喜欢的话，互联网上有很多的资料。-pythoncook Programming Guide, but is in English. It c++ Language as a powerful, if you like it, there are a lot of Internet information.