英语词汇“zenith tube”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	zenith tube
释义	WordReference Random House Unabridged Dictionary of American English © 2024 ze′nith tube′, [Astron.] Astronomya telescope mounted to point only at the zenith, used at some observatories for measuring time by the stars. Also called ze′nith tel′escope. 1830–40
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