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 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。
• The optical rangefinder works by an application of trigonometry.
  光学测距器利用三角法工作。
• I didn't do much trigonometry at school.
  我在学校里没学多少三角学。
• A mathematician specializing in trigonometry.
  专门研究三角法的数学家。
• Mathematics, including Pre-Algebra, Geometry, Trigonometry.
  数学，包括学前、代数、几何、三角学。
• The expected background includes algebra, trigonometry, and some familiarity with computers.
  书籍面向有代数以及熟悉计算机等背景的用户。
• The tangent is an important concept in trigonometry.
  “正切”是三角学中的一个重要概念。
• He received a low mark for trigonometry.
  他的三角学分数很低。
• 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。
• 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。