multisim7教程,讲解很清楚,还配有具体实例讲解,并配有相应的电路图。可以下载来看看。-multisim7 tutorial to explain the very clear, concrete examples to explain features and with the corresponding circuit diagram. Can be downloaded to look at.
这是Junit4.1.3的源码程序,对提高编程能力和对设计模式的理解很有帮助。-This is the source Junit4.1.3 procedures, to improve programming ability and understanding of design patterns helpful.