| 单词 | radian |
| 释义 | radian (once / 200328 pages) n WORD FAMILY radian: microradian, radians USAGE EXAMPLESMs. Bazemore, 56, is the president of Radian Guaranty, the private mortgage insurance subsidiary of the Radian Group, based in Philadelphia. New York Times(Aug 18, 2015) If we had an angle of pi radians, or 180 degrees, the lune we got would be a hemisphere, and its area would be 2πr2. Scientific American(May 19, 2015) The Radian can rotate your camera too, creating a panning time lapse that moves across an object or landscape. Forbes(Feb 26, 2015) n 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) Syn|Hyper rad angular unit a unit of measurement for angles |
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