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單詞乎

cosmic rays

cosmic rays是什么意思、cosmic rays怎么讀

cosmic rays漢語翻譯

【醫(yī)】 宇宙線

cosmic rays英語解釋

名詞 cosmic ray:

  1. highly penetrating ionizing radiation of extraterrestrial origin; consisting chiefly of protons and alpha particles; collision with atmospheric particles results in rays and particles of many kinds
    同義詞：cosmic ray
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