在激光器中,这种阻尼机理可以如下理解.In the laser this damping mechanism can be visualized as follows.此材料必须对该激光器的单色辐射敏感.The material must be sensitized for the monochromatic radiation of the laser.这就是激光器的极好的单色性的本源.This is the origin of th...
Weddings are so much hassle that you need a good break afterwards.婚礼真是件折腾人的事，办完后得好好休息才行。Other people's weddings are the perfect hunting ground for ideas.别人的婚礼是寻找启发的绝佳场合。Summer weddings need to be arranged months ahe...