利用NI提供的DAQ，经过编程实现所需的波形，采用LABWINDOWS实现-NI provides the use of DAQ, programmed to achieve the required waveforms, using LABWINDOWS to achieve

基于Labwindows/CVI编写的多媒体播放平台，c语言编写-Multimedia player platform based on written Labwindows/CVI, c language

用labwindows编写，用鼠标点击按钮，可以在面板上画出直线，曲线，椭圆等-Written by labwindows, click the button with the mouse, you can draw straight lines on the panel, curve, ellipse, etc.