词族 · cotangent
词形变化
英语词源
- cotangent (n.)
- from co. tangent, abbreviation of complement + tangent (n.).
权威例句
- 1. In this paper, we study the symplectic groupoids structure on the cotangent bundle of Lie group.
- 本文研究了 李群 的余切丛上的辛群胚结构.
- 2. This line, called cotangent line, is used by the system to modify the curve.
- 这条线叫做共切线, 是系统用来改变曲线形状的.