Use your protractor to construct an equilateral triangle.

用量角器作一个等边三角形。

It’s more or less triangular plot of land.

这块地略成三角形。

The angles are equal,for ABC is equilateral.

三角相等,因为三角形ABC是等边三角形。

Caudex branched, erect, to 2 cm in diam.Caudex leaves scalelike, triangular to subtriangular.

块根分枝，直立，在2厘米直径块根片状，到近三角形三角形。

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。

All of these are congruent triangles.

所有这些都是全等三角形。

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整目前唯一有效的，如果关闭的三角形。

He outlined the triangle in red.

他用红笔画出三角形。

Based on the higher-order theory, a three-noded triangular element is presented.This element satisfies the interelement C1 continuity conditions.

基于此理论建立了满足C1连续条件的三节点三角形单元并用于结构间应力分析。

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、肋式桥台柱(肋)顶高程。

Tendril unbranched or bifurcate. Inflorescence usually a polychasium. Seeds elliptic, obovoid-elliptic, or obtriangular, surface smooth, corrugated, or with strumose protuberance or ribs.

卷须不分枝或二叉。通常的花序一多歧聚伞花序。种子椭圆形，倒卵球形椭圆形，或倒三角形的，平滑的表面，具皱褶，或具瘤状的突起或肋。

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、肋式桥台柱（肋）顶高程。

For the other four leaf shapes - spathulate, denta-spathulate, cello-shaped and deltoid - more segments of Bezier curves were necessary for a good fitting.

对于三角形、匙形、齿匙形、提琴形等四种叶形来说，其误差较大，这些类型的叶片宜以多段的贝氏曲线进行几何模拟，以准确地逼近实际的叶片形状。

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。