本书也讨论了非激光型的异质结发光二极管.In this book we also discuss nonlasing heterojunction diodes.目前, 在半导体激光器领域中,异质结激光器已占居支配地位.At this time , the field of semiconductor lasers is dominated by heterojunction devices.异质结的这种反常的随温度变化的关系可以用肖特...
Dart, who had at first been very tense, at last relaxed.起初，达特非常紧张，最后终于放松了下来。At last Andrew gave them a crumb of information.最后，安德鲁向他们透露了一点信息。I'm so glad that we've found you at last!我们终于找到你了，我真是太高兴了！...
He developed a nervous twitch and began to blink constantly.他身体出现了神经性抽搐，开始不停地眨眼睛。It was all over in the blink of an eye.转眼之间，一切都结束了。In a blink of an eye he had disappeared.一眨眼的工夫他就没影了....