There are several ways to separate excited from unexcited molecules, thus harvesting the desired isotope. 目前有几种方法可以把受激发分子同未受激发分子分离开, 这样,就可以大量得到我们所需要的同位素了.
He is a terrific athlete and a brilliant jumper...他是个出色的运动员，弹跳力非常好。The athlete takes off from one leg from an inward twist.这名运动员向内转体一周单腿起跳。His admiration for the athlete did not extend to the point where he would follow ...
The pipe fitters sometimes have to labour under the ground.管疲乏工人有时不得不在地下工作.They were in fitters about buying the house.他们在买房子的事上意见分歧.Provide necessary On - job and In - class training to fitters according to process flow...