| 释义 |
内力nèilì指一个体系内各部分间的相互作用力。把宇宙看做一个体系,星体间的相互作用力就是内力;把原子看做一个体系,电子与原子核的相互作用力就是内力。{internal force; reciprocal force between different parts within a system. For instance, interplanetary forces are regarded as the internal forces of the universe, and interaction between the electron and the nucleus may be seen as the internal force of the atom.} |