英语词汇“point source”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	point source
释义	WordReference Random House Unabridged Dictionary of American English © 2024 point′ source′, [Physics, Optics.] Optics, Physicsa source of radiation sufficiently distant compared to its length and width that it can be considered as a point. 1900–05 Collins Concise English Dictionary © HarperCollins Publishers:: point source n a source of light or other radiation that can be considered to have negligible dimensions
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