Use your protractor to construct an equilateral triangle.

用量角器作一个等边三角形。

All of these are congruent triangles.

所有这些都是全等三角形。

He outlined the triangle in red.

他用红笔画出三角形。

The hypotenuse is the longest side of a right triangle.

直角三角形的斜边是直角三角形中最长的边。

Repulsion, threat and revanchism factors at alignment is now only effective if close in the triangle.

排斥，威胁和复仇主义因素调整目前唯一有效的，如果关闭的三角形。

Gleet pathological change is main urethral after, cystic neck and cystic triangle area, spread sometimes whole and urethral.

慢性尿道炎病变主要在后尿道、膀胱颈和膀胱三角区，有时蔓延整个尿道。

It is indicated by experimention that the outcome of this algorithm is very efficient，especially in those problem who fulfil triangle inequation.

经过实验表明，此类算法求解的近似度很高，尤其是在满足三角不等式的问题中，误差更低。

Based on homothetic triangle theory,a new height computation method of pile type brige pier and ribbed plate type abutment post is introduced.

文章以一种新的思维方式-相似三角形原理计算桩柱式桥墩、肋板式桥台柱(肋板)顶高程。

Based on homothetic triangle theory, a new height computation method of pile type brige pier and ribbed plate type abutment post is introduced.

摘要文章以一种新的思维方式-相似三角形原理计算桩柱式桥墩、肋板式桥台柱（肋板）顶高程。

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，多位中国闻名的企业家对马云的呼吁表示附和。

Starting with the basic equation of the hydraulic system this paper deals with the mechanism modeling for double triangle boom luffer and its hydraulic system.

从液压系统的基本方程入手，对双三角钻臂变幅机构进行了机理建模。

Take 10 golden triangles, arrange them with their sharp points touching, and you have a golden decagon, fitting perfectly within the iris of the eye, vertices neatly touching the rim.

画10个金三角，把它们的顶点挨着排好，然后你就得出一个金十边形，与瞳孔中的虹膜完美地一致，十边形的最早点正好在眼眶。

The goal of the mesh optimization algorithm is to re duce the number of the triangles in the mesh,and keep the accuracy of the interp olation at the same time.

反求工程中曲面反求得到的数据模型虽然可以正确反映零件的拓扑结构，但网格上的三角形的数量一般比较大。