| 释义 |
cosmic ray宇宙(射)线【化】 超γ射线; 宇宙线 cosmic ray cosmic ray n.（名词）A stream of ionizing radiation of extraterrestrial origin, consisting chiefly of protons, alpha particles, and other atomic nuclei but including some high-energy electrons, that enters the atmosphere, collides with atomic nuclei, and produces secondary radiation, principally pions, muons, electrons, and gamma rays.宇宙射线：来自地球以外的电离辐射流，主要包括质子，粒子和其他原子核，但也含有一些高能电子，进入大气层，与原子核相撞，产生次级辐射，主要有π介子，μ子，电子和γ射线 |