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 height of the mountain has been determined by trigonometry.
  该山的高度已用三角学测得。
• 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。
• 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。
• Itaccomplishes in seconds what had taken all day using old-fashioned surveying instruments and skill in trigonometry.
  原本采用老办法要一整天才能办成的事情，通过测量仪器和三角法，只需数秒钟。
• The climax of this work was the development of trigonometry.
  三角术的发展是这项工作的高峰。
• 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。
• My high school offered calculus and trigonometry, chemistry and physics, Spanish, French, and four years of Latin, a range of courses many smaller schools in Arkansas lacked.
  我的高中课程包括微积分、三角函数、化学、物理、西班牙语、法语，还有四年的拉丁语。这一系列课程是阿肯色州许多规模小一些的学校所不开设的。
• 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。
• 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。