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

• An algorithm used trigonometry to passively locating a moving emitter with direction of arrival ( DOA) and time difference of arrival ( TDOA) of the emitter signal is given.
  提出了一种利用平面解三角，并结合辐射源信号到达方向和脉冲到达时间差对运动辐射源进行单站无源定位的算法。
• HotSpot takes advantage of these instructions to speed up trigonometry operations dramatically.
  HotSpot利用这些指令显著加速了三角函数的运算。
• 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。
• 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。
• He received a low mark for trigonometry.
  他的三角学分数很低。
• 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。
• 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。
• A mathematician specializing in trigonometry.
  专门研究三角法的数学家。
• The tangent is an important concept in trigonometry.
  “正切”是三角学中的一个重要概念。
• We may determine the height of a mountain by trigonometry.
  我们可用三角原理测定山的高度。