Subtend
[sәb'tend]
解釋/意思:
(v. t.) To extend under, or be opposed to; as, the line of a triangle which subtends the right angle; the chord subtends an arc.
布鲁诺錄入
解釋/意思:
v.t. to extend under or be opposite to.—n. Subtense′ (geom.) a line subtending or stretching across.
整理:希欧多尔