Artificial intelligent assistant

subtend

subtend
/səbˈtend; səb`tɛnd/ v[Tn]
(geometry 几) (of a chord2(1) or the side of a triangle) be opposite to (an arc(1) or angle) (指弦或三角形之边)对向(某弧或角)
    The chord AC subtends the arc ABC. The side XZ subtends the angle XYZ. AC 弦对向 ABC 弧. XZ 边对向 XYZ 角. =>illus 见插图.

牛津英汉双解词典

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