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我上课用的数据库课件,比较适合初学数据库的人以及想考计算机三级的,希望对大家有用!-a database courseware database more suitable for beginners as well as those who would like to test computer three, I hope useful for all!

收集到的sun公司的测试题，希望对你的考试有帮助-sun

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中文版的dx帮助手册 对dx入门很有很大帮助-Chinese version of the dx Help Manual

JAVA设计模式,中文版挺经典的. 以前就靠这书考试了呵呵 介绍了包括创建模式,结构模式和行为模式几种-JAVA Design Pattern, the Chinese version of the classic Ting. Before relying on this book examination of the Ha ha introduced including the creation of patterns, structural model and behavioral patterns of several

源码Delphi图像特效显示V1.0版，，，，，大家随便看看吧！能否用上-source images magic show V1.0 version ,,,,, we casually let"s see it! Can use

一本很好的学习Frontpage的书，从入门到精通一应俱全！- A very good study Frontpage book, from crosses the threshold is skilled in has it all!

一本专门介绍RS232详细技术细节的好书。资料很全，入门的同学可以看看。-an RS232 devoted to detailed technical details of the books. Information is very full, beginners can look at the students.

学习编程的重要书籍 初学者必备 理论性加实用性强-Important to learn c++ books for beginners must have strong theoretical and practical plus

介绍单相全桥逆变器的工作原理, 阐述产生SPWM波和实现PI 控制的算法, 给出以DSP( 数 字信号处理器) 实现控制的软件流程。实验表明利用软件完成逆变器控制是可行的。 关键词: 正弦逆变器 -Introduction of single-phase full-bridge inverter working principle, the resulting SPWM wave and realize PI control algorithm to DSP (digital signal processors) to achieve software flow control. Experiments show that the use of software controlled inverter is feasible. Key words: sine inverter