| 释义 |
〔photon〕The quantum of electromagnetic energy, generally regarded as a discrete particle having zero mass, no electric charge, and an indefinitely long lifetime. See table at subatomic particle 光子，光量子：电磁能的量子，一般认为是有零质量、无电荷和不定长寿命的离散性粒子 参见 subatomic particle〔axion〕A hypothetical boson having no charge or spin and small mass, proposed to explain the existence of certain symmetries of the strong nuclear force.轴子：无电荷、自旋以及小质量的假定玻子，用来解释强核相互作用某些对称性的存在 |