图 4-9 中使用的机械式继电器, 可以用电子开关来代替.The mechanical relays , which have been assumed in Fig . 4 - 9 , can be replaced by electronic switches.用继电器操作的一种可视信号或音响信号装置, 用以指示有关电路的情况.A visual or audible signaling device , operated by re...
These old machines are still in use.这些陈旧的机器仍在使用。We're not talking a murder here; we're talking poker machines or gambling — things that are misdemeanors in most states...我们现在讨论的不是谋杀，而是扑克机或赌博——这些在多数州只能算轻罪了。There...
It can be seen, Quanzhou in the history of sound effect.由此可见, 泉州音在历史上的影响之大.The sound effect is very realistic.音响效果十分逼真.Handle of a sound effect to be played.播放这个声音效果的句柄....