店铺动态评分 ... 上帝的动物和魔鬼的动物/ The Lord𫬠Animals and 雄鸡驮木梁/ The Beam 要饭的老太婆/ The Old Beggar-Woman
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on the beam [航] 航向正确 ; 正横地 ; 必须用泵抽油的 ; 正横
abaft the beam 在正横以后
off the beam 脱离航向
course of the beam 射束路径
broad in the beam 宽长比例较大
kick the beam 过轻 ; 重量极轻
以上来源于: WordNet
Len studied it a moment in the beam of his torch.
莱恩借着手电筒的光把它仔细察看了一会儿。
She froze when the beam of the flashlight struck her.
当手电筒的光柱照到她时,她呆住了。
Be careful not to bump your head on the beam when you stand up.
当心站起来时头别撞了横梁。
Scientific American magazine says huge lasers turn only about twenty to thirty percent of the energy they use into a laser beam.
VOA: special.2010.09.01
And then I could put a couple of plates and I could raster the beam so that when I am looking here,the beam goes back and forth about 80 times a second.
然后我放了两个感光片,我可以检测到光束所以,当我观察时,电子束以每秒80次的速度来来回回了。
If de Broglie is correct, let's irradiate the nickel crystal with a beam of electrons where the wavelength of the beam of electrons is identical to the wavelength of the x-rays that were used and see what we get.
如果德·布罗意是正确的,那么镍晶体放出,电子光束,电子束的波长,和原来讲过的X光的波长是相等的,再看看得到了什么。
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