英语词汇“coronal hole”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	coronal hole
释义	WordReference Random House Unabridged Dictionary of American English © 2024 coro′nal hole′, [Astron.] Astronomya part of the solar corona that appears dark on optical and x-ray images and is characterized by low temperature and low density. 1970–75
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