| 释义 |
tangent/ˈtæn(d)ʒ(ə)nt/ n. & adj.●n. 1 a straight line, curve, or surface that meets another curve or curved surface at a point, but if extended does not intersect it at that point 切线；切线曲面；切面(指一条直线、弧线或弧面在某一点与另一弧线或弧面交汇，但如果继续延伸，不会在此点上再交汇) 2 the ratio of the sides (other than the hypotenuse) opposite and adjacent to an angle in a right-angled triangle 正切线(直角三角形的两直角边之比) ●adj. 1 (of a line or surface) that is a tangent (线或面)切线的；正切的；相切的 2 touching 接触的 □ at a tangent diverging from a previous course of action or thought etc. (行动或思想等)偏离正题；突然转变 go off at a tangent 突然一下子就离开了 □ tangency n.[Latin tangere tangent- ‘touch’] |