elementary electric charge

常见例句

Electrons are the lightest elementary particles with an electric charge.
電子是最輕的基本粒子與一電荷。
1dc4.blog.163.com
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.
介子輕子族中的一種基本微粒（非介子），其質量爲電子的209倍，是一種負電荷，平均壽命爲2。
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.
他進一步預言每一種自鏇爲的基本粒子都有質量相同但電荷相異的對應粒子，或者說，就是每個這樣的粒子都有一個反粒子。