radian
音標['reidi?n] 讀音漢語翻譯
n. 弧度
【計】 弧度
【化】 弧度
【醫】 弧度
英文解釋:
名詞 radian:
- 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
詳細解釋:
ra.di.an
n.Abbr. radMathematics (名詞)縮寫 rad【數學】 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,其大小為長度等於半徑的弧對的圓心角,弧度角約等於57=7&S{¢}44.'"參見 measurement
來源:radi(us) radi(us)-an -an
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