英语词汇“astigmatic foci”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	astigmatic foci
释义	astigmatic foci astigmatic foci [¦a·stig‚mad·ik ′fō‚sī] (optics) The two lines on which rays emanating from a point are focused by an astigmatic optical system. Also known as focal lines.
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