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

• If our predecessors understood the hadith the way some of us try to understand it, they would have never produced the great scholars who invented algorithms and developed trigonometry.
  如果我们的前辈以我们有些人试着理解的方式来理解这段圣训，他们绝对不会出现发明运算法则和揭示勾股定理的伟大学者。
• Real Time Measurement of Part Surface Roughness Based on Laser Trigonometry
  基于激光三角法的零件表面粗糙度在线测量
• A mathematician specializing in trigonometry.
  专门研究三角法的数学家。
• 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。
• 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。
• 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。
• Arithmetic, algebra, geometry, and trigonometry are branches of mathematics.
  算术、代数、几何和三角是数学的分科。
• We may determine the height of a mountain by trigonometry.
  我们可用三角原理测定山的高度。
• The tangent is an important concept in trigonometry.
  “正切”是三角学中的一个重要概念。
• The Hindus, like the Greeks, regarded trigonometry as a tool for their astronomy.
  印度人和希腊人一样，把三角学当作他们天文学的工具。