英语词汇“principal point”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	principal point
释义	principal point Optics. the point where a principal plane intersects the axis. [1695-1705]
随便看	ultraromantic ultraroyalist ultrasafe ultrasecret reformation reformatory Reform Bill reformed Reformed Church in America reformed spelling reformer Reform flask reforming reformist Reform Jew Reform Judaism reform school reformulate refortification refortify reforward refound Ref. Pres. refract refractile

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