英语词汇“principal plane”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 plane
释义	principal plane noun : any of the planes perpendicular to the axis and passing through the principal points of an optical system
随便看	apsidally apsides apsides apsidiole apsis apso apt aptal aptenodytes aptera apteral apteran apterial apterium apterous aptery apteryges apterygial apterygiformes apterygogenea apterygota apterygote apterygotous apteryla apteryx

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