英语词汇cathode rays是什么意思，cathode rays的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-电脑手机教程网

单词	cathode rays
释义	DEFINITIVE EXAMPLES 权威例句〔Crookes tube〕A low-pressure discharge tube used to study the properties of cathode rays.克鲁克斯放电管：一种用来研究阳极射线性质的低压放电管美国传统
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