| 单词 | 电中性 |
| 释义 | 〔neutron〕An electrically neutral subatomic particle in the baryon family, having a mass 1,839 times that of the electron, stable when bound in an atomic nucleus, and having a mean lifetime of approximately 1.0×103 seconds as a free particle. It and the proton form nearly the entire mass of atomic nuclei. See table at subatomic particle 中子：重子家族中电中性的亚原子粒子，是电子体积的1,839倍，作为自由粒子撞击原子核时保持稳定，平均寿命大约 1.0×103。它和质子几乎构成了整个原子核的质量 参见 subatomic particle〔neutral〕Of or relating to a particle, an object, or a system that has a net electric charge of zero.电中性的：粒子、物体或系统电位为零的或与之有关的〔neutrino〕Any of three electrically neutral subatomic particles in the lepton family. See table at subatomic particle 中微子：轻子家族中三种电中性亚原子粒子中的任何一种 参见 subatomic particle |
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