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

• 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。
• The height of the mountain has been determined by trigonometry.
  该山的高度已用三角学测得。
• Arithmetic, algebra, geometry, and trigonometry are branches of mathematics.
  算术、代数、几何和三角是数学的分科。
• The3D way is, like I said, easier, but requires some basic math ( especially trigonometry) knowledge.
  3D的途径，正如我所说，更简单。但是需要一些数学（尤其是三角）的知识。
• A mathematician specializing in trigonometry.
  专门研究三角法的数学家。
• 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。
• 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 trigonometry of spherical triangles.
  球面三角形的三角学。
• 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 never did understand trigonometry, and I still don '; t.
  我一向不懂三角函数，现在仍然不懂。