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1·This will be Z times the elementary charge.

这将是元电荷的Z倍。

2·Remember, e represents the elementary charge, not the charge on the electron.

记住，e代表元电荷，而非电子所带电荷。

3·If you look up really close, there is the elementary charge e.There is the mass of the electron.

如果你仔细找的话，会找到e表示的元电荷，也能找到电子的质量。

4·A proton is an elementary particle of matter that possesses a positive charge.

质子是带正电荷的物质的基本粒子。《柯林斯英汉双解大词典》

5·He further predicted that every elementary particle with a spin has its counterpart with the same mass but opposite electric charge, or that a particle has an antiparticle.

他进一步预言每一种自旋为的基本粒子都有质量相同但电荷相异的对应粒子，或者说，就是每个这样的粒子都有一个反粒子。

6·All elementary particles, such as protons and electrons, have antimatter counterparts with the same mass but the opposite charge.

所有基本粒子如质子和电子都有其对应的反物质。它们的质量相同，电荷相反。

7·Masscluces required only for elementary schools and schools can charge relay the bus .

麻什里萨州要求只对小学提供服务。而且学校能支付车辆的费用。

8·An elementary particle in the lepton family (not a meson), having a mass209 times that of the electron, a negative electric charge, and a mean lifetime of2.2? 0-6 second.

介子轻子族中的一种基本微粒(非介子)，其质量为电子的209倍，是一种负电荷，平均寿命为2。

9·The headmaster-in-charge system is one of the important items of elementary educational management reform in our country.

校长负责制是我国基础教育阶段学校管理体制改革的重要举措。

10·One day, during my middle school, the affable woman teacher in charge of my class when I was in the elementary school came up to buy. I gave her a two Chinese cents discount.

记得那是在初中，我小学时的班主任，一个和蔼可亲的女老师来我的车上买臭豆腐，我还少收了她二分钱。