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单词 visual magnitude
释义

WordReference Random House Unabridged Dictionary of American English © 2024
visual magnitude, 
  1. [Astron.]magnitude (def. 5a).

Collins Concise English Dictionary © HarperCollins Publishers::
visual magnitude n
  1. the magnitude of a star as determined by visual observation
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更新时间:2025/7/23 14:07:25