trigonometry
英 [ˌtrɪɡ.əˈnɒm.ə.tri]
美 [ˌtrɪɡ.əˈnɑː.mə.tri]
- n. 三角法
中文词源
trigonometry 三角学
tri-, 三，-gon,角，词源同 knee,heptagon,-metry,测量术。
英语词源
- trigonometry (n.)
- "branch of mathematics that deals with relations between sides and angles of triangles," 1610s, from Modern Latin trigonometria (Barthelemi Pitiscus, 1595), from Greek trigonon "triangle" (from tri- "three" (see tri-) + gonia "angle" (see -gon)) + metron "a measure" (see meter (n.2)).
权威例句
- 1. We may determine the height of a mountain by trigonometry.
- 我们可用三角原理测定山的高度.
- 2. He received a low mark for trigonometry.
- 他的三角学分数很低.
- 3. The climax of this work was the development of trigonometry.
- 三角术的发展是这项工作的高峰.
- 4. The height of the mountain has been determined by trigonometry.
- 该山的高度已用三角学测得.
- 5. Until about 1450 spherical trigonometry consisted of loose rules based on Greek, Hindu and Arabic versions.
- 差不多直到1450年球面三角的内容由一些不严谨的法则组成,这此法则的基础是希腊 、 印度和阿拉伯译本.
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