trigonometry
英 [ˌtrɪɡəˈnɒmətri]
美 [ˌtrɪɡəˈnɑːmətri]
n. 三角学
BNC.37889 / COCA.29645
牛津词典
noun
- 三角学
the type of mathematics that deals with the relationship between the sides and angles of triangles
柯林斯词典
- 三角学
Trigonometryis the branch of mathematics that is concerned with calculating the angles of triangles or the lengths of their sides.
英英释义
noun
- the mathematics of triangles and trigonometric functions
双语例句
- The climax of this work was the development of trigonometry.
三角术的发展是这项工作的高峰。 - For every large time intervals and for stars near to the pole, it is necessary, however, to use the exact formulae of spherical trigonometry.
对于很长的时间间隔和靠近极星的恒星,必须使用精确的球面三角公式。 - Arithmetic, algebra, geometry, and trigonometry are branches of mathematics.
算术、代数、几何和三角是数学的分科。 - The Hindus, like the Greeks, regarded trigonometry as a tool for their astronomy.
印度人和希腊人一样,把三角学当作他们天文学的工具。 - The height of the mountain has been determined by trigonometry.
该山的高度已用三角学测得。 - To measure by using trigonometry. at right angles to the plane of the horizon or a base line.
用平面直角三角形计算工具测量与水平面或者基准面成直角。 - The trigonometry of spherical triangles.
球面三角形的三角学。 - The actual displacement between any two points may be determined by drawing a scale diagram with a ruler and a protractor, or by using simple trigonometry.
任何两点之间实际的位移可用比例尺和分度器画简图予以判断,或者使用简单的三角学计算之。 - Last time I heard, they don't need to know trigonometry.
上次我听说,他们用不着知道三角定律。 - He received a low mark for trigonometry.
他的三角学分数很低。