英语词汇“particle horizon”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	particle horizon
释义	particle horizon particle horizon See horizon distance. particle horizon [′pärd·ə·kəl hə‚rīz·ən] (relativity) The spatial boundary beyond which, in certain universe models, it is impossible for an observer at a given time to receive a signal.
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