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單詞乎

radian

音標(biāo)['reidi?n]
radian是什么意思、radian怎么讀

radian漢語(yǔ)翻譯

n. 弧度
【計(jì)】 弧度
【化】 弧度
【醫(yī)】 弧度

radian英語(yǔ)解釋

名詞 radian:

  1. the unit of plane angle adopted under the Systeme International d'Unites; equal to the angle at the center of a circle subtended by an arc equal in length to the radius (approximately 57.295 degrees)
    同義詞：rad

radian詳細(xì)解釋

ra.di.an

n.Abbr. radMathematics （名詞）縮寫 rad【數(shù)學(xué)】
A unit of angular measure equal to the angle subtended at the center of a circle by an arc equal in length to the radius of the circle, approximately 57=7&S{￠}44.'".See table at measurement
弧度：平面角的一種衡量單位，其大小為長(zhǎng)度等于半徑的弧對(duì)的圓心角，弧度角約等于57=7&S{￠}44.'"參見 measurement

來(lái)源：
radi(us)
radi(us)
-an
-an

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