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。
• 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。
• No matter whether you use geometry, trigonometry or calculus, you use the simple rules of arithmetic.
  无论你使用几何学，三角形学或者微积分法，你都用到了简单的算术方法。
• 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。
• 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。
• Mathematics, including Pre-Algebra, Geometry, Trigonometry.
  数学，包括学前、代数、几何、三角学。
• 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。
• 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。
• The optical rangefinder works by an application of trigonometry.
  光学测距器利用三角法工作。