Subtend

[sәb'tend]

解释:

(verb.) be opposite to; of angles and sides, in geometry.

编辑:沃伦--From WordNet

解释:

(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.

布鲁诺录入

解释:

v.t. to extend under or be opposite to.—n. Subtense′ (geom.) a line subtending or stretching across.

整理:希欧多尔