基本解释[物理学]低限动能[机械工程]临限动能英汉例句双语例句Threshold energy is defined as the minimalist kinetic energy of the incoming particles which can cause the endergonic nuclear reaction.可使吸能核反应发生的入射粒子的最小动能称为阈能。专业释义物理学低限动能机械工程临限动能