Using API transfer MessageBox box!

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

在 Windows2000 环境下实现动态 DNS 的安全考虑-In Windows2000 environment dynamic DNS security considerations

利用opnet网络仿真软件,研究802.11的QOS,可以利用此模块研究802.11e-opnet use of network simulation software, the study 802.11 QOS, You can use this module study 802.11 e

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dds->9954的pcb供大家参考,这个扳子我调通了的可以放心开办-dds-

java拼图游戏， 实现了基本功能。图有点少， 只有两个， 不过也可自己做图往里面加。-java jigsaw puzzle to achieve the basic functionality. Figure a little bit less, and only two, but can also make their own plan puts inside Canada.

全自由度空时自适应处理,说明杂波、干扰、信号三者的空时关系。-The whole space-time adaptive processing freedom that clutter, interference, signal the three space-time relations.

< Tc实用程序>>，文中从dos系统讲起，直到讲到window3.0，c在这各种平台下的程序实例，没事的时候翻一翻，没有坏处-lt; Lt; Tc utility gt; Gt; The article, dos system from the 1960s until spoke window3.0, c in various platforms under the procedures example, with nothing to the double, do no harm

VC++.NET 时尚游戏开发编程40例，各种智力游戏

Embedded SD card Interface