英语词汇“overcritical electric field”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	overcritical electric field
释义	overcritical electric field overcritical electric field [′ō·vər‚krid·ə·kəl i′lek·trik ′fēld] (atomic physics) An electric field so strong that an electron-positron pair is created spontaneously; quantum electrodynamics predicts that this will happen near a nucleus having more than approximately 173 protons.
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