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 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。
• A mathematician specializing in trigonometry.
  专门研究三角法的数学家。
• The optical rangefinder works by an application of trigonometry.
  光学测距器利用三角法工作。
• Although these calculations are nothing more than basic trigonometry and algebra, the formulas are very complicated.
  虽然这些计算无非是最基本的三角形和代数计算，但是所使用的公式非常复杂。
• I didn't do much trigonometry at school.
  我在学校里没学多少三角学。
• 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。
• No matter whether you use geometry, trigonometry or calculus, you use the simple rules of arithmetic.
  无论你使用几何学，三角形学或者微积分法，你都用到了简单的算术方法。
• The climax of this work was the development of trigonometry.
  三角术的发展是这项工作的高峰。
• Topics include the physical laws of fluids and the application of physics and trigonometry to bloodstain pattern analysis.
  课题包含利用流体物理学规律，以及物理学和三角学的应用来对血溅形态进行分析。
• The tangent is an important concept in trigonometry.
  “正切”是三角学中的一个重要概念。