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 height of the mountain has been determined by trigonometry.
  该山的高度已用三角学测得。
• 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。
• We may determine the height of a mountain by trigonometry.
  我们可用三角原理测定山的高度。
• Arithmetic, algebra, geometry, and trigonometry are branches of mathematics.
  算术、代数、几何和三角是数学的分科。
• Mathematics, including Pre-Algebra, Geometry, Trigonometry.
  数学，包括学前、代数、几何、三角学。
• He received a low mark for trigonometry.
  他的三角学分数很低。
• Methods of spherical trigonometry and direction cosine matrix were applied respectively to derive the bracket error, and the two methods had the same error formula and the same calculation results.
  应用球面三角法和方向余弦矩阵法分别推导出双轴陀螺平台的支架误差公式，发现由这两种方法推导出来的公式计算结果是一致的。
• 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。
• 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 climax of this work was the development of trigonometry.
  三角术的发展是这项工作的高峰。