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单词 cometarium
释义 cometarium|kɒmɪˈtɛərɪəm|
[mod.L., f. comēta + -arium: after planetarium.]
A mechanical contrivance (invented by Desaguliers) for illustrating motion in an eccentric orbit.
1756J. Ferguson Astron. §405. 1867–77 G. F. Chambers Astron. Vocab. Def. 914.
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