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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
            Synonym:trig

          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。