随着社会的发展，电子技术已经不是什么神秘的东西了，人们天天都在和它打交道。在今天的时代，它正飞速地向前发展，面貌日新月异。它产生的种种效果强烈地吸引着青少年和其他初学的电子爱好者。

因为通常的C++教材都只会介绍C++的语法什么 的，很少会告诉我们如何去编译、运行，告诉我们什么是控制台程序，什么事Win 程序，什么是GUI程序，C++能干什么，VC和C++的区别是什么。

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nbsp;   27
    3.3 相对论的质能关系定律及速度修正系数    29

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