英语词汇“radian”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	radian
释义	radian /ray"dee euhn/, n. Math. the measure of a central angle subtending an arc equal in length to the radius: equal to 57.2958°. Abbr.: rad [1875-80; RADI(US) + -AN]
随便看	permanganate permanganic permanganic acid perma-press permeability permeable permeameter permeance permeant permease permeate per mensem Permian Permic per mill permillage permissible permissible yield permission permissive permissivism permit permittivity permonosulfuric acid permutate

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