[ 第三人称单数 subtends 现在分词 subtending 过去式 subtended 过去分词 subtended ]
arc subtended by a chord [数] 对弦弧
precision of subtended arc 对弧精度
V to be opposite to and delimit (an angle or side) 使(角或边)对向 [geometry]
A radian is the Angle subtended by an arc of a circle whose length is just equal to the radius.
一弧度就是长度刚好等于半径的一段圆弧所对的圆心角。
The Angle subtended at the center of a sphere by an area on its surface numerically equal to the square of the radius.
在单位半径的球体中心对球表面上的投影面积所张的角。
We solved at the same time a pure mathematical problem by physical procedure i. e. calculating the solid angle subtended by a circular plate to any point in the space.
同时，用物理学方法解决了圆盘面对空间任意点所张的立体角的计算问题。
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