英语词汇“secondary cosmic rays”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	secondary cosmic rays
释义	secondary cosmic rays secondary cosmic rays See cosmic rays. secondary cosmic rays [′sek·ən‚der·ē ′käz·mik ′rāz] (geophysics) Radiation produced when primary cosmic rays enter the atmosphere and collide with atomic nuclei and electrons.
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