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15度角是多少度

更新时间: 2020-11-04 00:00:00     

15度角是15度,角度是用以量度角的单位,符号为°,读作度。数学概念两条相交直线中的任何一条与另一条相叠合时必须转动的量的量度,转动在这两条直线的所在平面上并绕交点进行。

关键词: 多少

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