| 单词 | 均势 |
| 释义 | 〔antiparticle〕A subatomic particle, such as a positron, an antiproton, or an antineutron, having the same mass, average lifetime, spin, magnitude of magnetic moment, and magnitude of electric charge as the particle to which it corresponds but having the opposite sign of electric charge, opposite intrinsic parity, and opposite direction of magnetic moment. See table at subatomic particle 反粒子：一种亚原子粒子，如正电子、反质子或反中子，与它相对应的粒子有相同的质量、平均寿命、核量子数、磁矩量和电荷量，但具有相反的电荷标志、内在均势和磁矩方向 参见 subatomic particle〔poise〕A state of balance or equilibrium; stability.See Synonyms at balance 平衡或均势的状态；稳定 参见 balance〔equilibrium〕A condition in which all acting influences are canceled by others, resulting in a stable, balanced, or unchanging system.See Synonyms at balance 平衡，均衡：一种所有动作的影响都互相抵消，整个系统处于平稳的、均势的、不变的状态 参见 balance |
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