| 单词 | trigonometry |
| 释义 | trigonometry —trigonometric /trig'euh neuh me"trik/, trigonometrical, adj. —trigonometrically, adv. /trig'euh nom"i tree/, n. the branch of mathematics that deals with the relations between the sides and angles of plane or spherical triangles, and the calculations based on them. [1605-15; < NL trigonometria; see TRIGON, -O-, -METRY] |
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