trigonometry 考研

We may determine the height of a mountain by trigonometry.

可用三角原理测定山高度。

If you want to be a draftsman, a machinist, a molder, or a patternmaker, you'll need algebra and geometry and even trigonometry.

如果你想成为手、缝纫、造型或制模，你需要代数和几何，甚至三角学。

In a week, arrive from long triangle bead trigonometry, go to Beijing again, many China's famous entrepreneur expresses to assentation to Ma Yun's appeal.

一周之内，从长三角到珠三角，再到北京，多位中国闻名企业家对马云呼吁表示附和。