切线角正切角tangent: adj. 1.接触的。 2.【数学】切线的,相切的;正切 ...angle: n. 〔古语〕钓钩;钓具。 a brother of t ...angle between chord and tangent: 弦和切线的角chord tangent angle: 弦切角dielectric loss angle tangent: 介电损耗角正切; 介质损耗角正切值下载手机词典可随时随地查词查翻译