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Rational rose 编程设计流程指导-Programming Rational rose design process to guide

1.本文对一种高效的升压式PWM 变换电路作了分析研究 对开关状态的切换效率高 采用双零软开关工作，大大降低了开关损耗, 提 高了电路的转换效率. 2.该电路在高频的开关电源、逆变器等电力电子电路上有很大的实用价值, 可以提高电路的转换效率. -1. In this paper, an efficient step-up PWM conversion circuit analysis study on the switch to switch the state of high efficiency soft-switching double-zero work, greatly reduces switching losses, improve the conversion efficiency of the circuit .2. The circuit in high-frequency switching power supplies, inverters and other power electronic circuits have great practical value, can improve the circuit

利用Visual Basic编写的小程序，一款模拟贪吃蛇的小游戏。-The use of Visual Basic procedures for the preparation of a small, a simulation game of Snake.

此为留言板，可以收集用户反馈的信息，便于交流-this for the message board, collecting feedback from users of information and to facilitate the exchange of

希望对大家有帮助,还有希望大家都能在大赛里,电子设计中,取的好成绩.-Hope everyone has to help, there is hope that everyone in the contest, the electronic design, get good results.

18 Wheels game sources. Operational system: DOS. Compiles OK in Quickbasic.

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字母排序，在对一个C程序进行编译的过程中，可发现注释中的拼写错误-Alphabetical order, in the process of a C compiler, the Notes can be found in the spelling errors

DOS下，C语言实现界面开发的模板，可以根据此代码自由添加菜单功能-DOS, C language interface development template, we can add this code free menu function

DirectX 8 教程 DirectX 8 教程4-DirectX 8 Tutorial DirectX 8 Tutorial 4