单词 | cosmic ray |
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 |
随便看 |
|
英汉双解词典收录913115条英汉汉英双解翻译词条,基本涵盖了全部常用单词的读音、翻译及用法,是英语学习的有利工具。