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

• Mathematics, including Pre-Algebra, Geometry, Trigonometry.
  数学，包括学前、代数、几何、三角学。
• 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。
• 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。
• 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。
• 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。
• Arithmetic, algebra, geometry, and trigonometry are branches of mathematics.
  算术、代数、几何和三角是数学的分科。
• 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 height of the mountain has been determined by trigonometry.
  该山的高度已用三角学测得。