主要应用电视和录像录音机控制器，烟火警报系统
The main application of television and video recorder controller，Smoke alarm system (2012-05-02, HTML, 199KB, 下载4次)
电力系统中逆变器的设计，提供了很好的技术参考方案，值得借鉴
Power system inverter design, provided a good technical reference program, it is worth drawing (2008-05-23, HTML, 7KB, 下载40次)