| 释义 |
pair production【化】 电子偶的产生【医】 离子偶产生 pair production pair production n.（名词）The simultaneous creation of a subatomic particle and its antiparticle from another form of energy, especially the production of a positron and an electron from a gamma ray photon in a strong electric field, such as that surrounding a nucleus.电子对偶的产生：从能量的另一种形式同时产生的亚原子微粒以及它的反粒子，尤指在强电区域内，一正电子和一电子从γ射线的光子中子产生，如在核周围 |