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- electron collimating magnet 电子准直磁铁
- Dalian is a magnet for tourists. 大连是吸引游客的地方。
- This disco is a magnet for young people. 这家迪斯科舞厅经常吸引大批年轻的顾客。
- A magnet attracts both iron and steel. 磁铁吸铁也吸钢。
- Certain metals are attracted to a magnet. 某些金属会受磁石的吸引。
- collimating magnet 准直磁铁
- The transmitter was pulsed by an electron tube. 电子管使发射器产生脉冲波。
- Human beings have learned out how to make magnet of cast iron. 人类已经学会如何从生铁制出磁铁。
- Forbidden City is a great magnet for foreign tourists. 紫禁城对外国旅游者来说是个有巨大吸引力的地方。
- An electron tube having a cathode and an anode. 电子二极管有一个阳极和一个阴极的电子管
- The girl was drawn to the cartoon as by a magnet. 动画片强烈地吸引着那个小姑娘。
- The number of electron pairs an atom can share with other atoms. 共用电子对数，共价一个原子与其他原子共用的电子的对数
- An electron with a negative charge, as contrasted with a positron. 电子带有负电荷，与正电荷相反的电子
- A piece of glass is laid on top of the magnet. 一块玻璃被搁在那磁铁的上面。
- A magnet attracts iron and steel. 磁石吸钢铁。
- Some of the collimating and re focusing optics are given. 文中还给出了几种准直和聚焦的光学系统。
- The earth may be thought of as a gigantic magnet. 整个地球可以想象为一块硕大无朋的磁石。
- Attempts to split an electron always fail. 企图分裂电子的尝试总是失败的。
- Beijing is a magnet for tourists. 北京是吸引游客的地方。
- An electron from one of the atom shells is ejected. 电子从原子的某一壳层中被弹射出来。
