说明：  Proteus原理图元器件库详细说明 当你在用Proteus的时候，你是否真的清楚它们的元件库呢？如果你不清楚的话，也许这个对你有点用！！
(Proteus schematic components library detail when you by Proteus, are you really aware of their library? If you do not know, perhaps you have a bit to use! !)