subtended
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v.
对向，包在叶腋内( subtend的过去式和过去分词 )；
英英释义
subtend[ səb'tend ]
v.be opposite to; of angles and sides, in geometry
同义词：delimit
权威例句
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1. 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。
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2. 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。
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3. 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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4. These subtended angles correspond to a viewing distance of roughly 2.2 times the screen width at the back row of the seating down to 1.5 times the screen width at the front.
这个观看角度是介于屏幕到最远观看距离应为电视屏幕宽度的约2.2倍和最前排观看距离为屏幕的约1.5倍之间。
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5. The staminate flower is subtended by two leaf-like bracts. 150–200 stamens spirally arranged along the spike axis and the phyllome are located at the base of the spike axis.
雄花外侧是苞片， 每朵雄花上着生150–200个雄蕊，花轴基部着生少数退化的叶原体。
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6. The staminate flower is subtended by two leaf-like bracts. 150–200 stamens spirally arranged along the spike axis and the phyllome are located at the base of the spike axis.
雄花外侧是苞片， 每朵雄花上着生150–200个雄蕊，花轴基部着生少数退化的叶原体。
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subtended
