congruent triangles

In the matching process the parameters of rotation and displacement were obtained by two congruent triangles, then the point-pairs matching would be performed on the transformed sets.

比对过程中首先根据两个集合中的全等三角形求出它们的旋转和平移参数，然后对根据参数进行转换后的特征集合进行点模式匹配。

Butterfly Mechanism consists of two congruent equilateral triangles.

蝶形单元是由两个全等的三角形组成。

Secondly, two new methods implemented easily about improvement with velocity compensation on the average time method are brought out, one is using Doppler velocity to compensate relative velocity, the other is using the estimated target speed in approximate congruent triangles.

提出两种易于实现的、对时间平均进行速度补偿的方法：一是利用多卜勒测速结果进行径向速度补偿；二是在近似三角形内，利用目标的估计速度进行补偿。

Exploring the Best Method of Testifying the Congruent Right Triangles

探索直角三角形全等的最佳途径

All of these are congruent triangles.

所有这些都是全等三角形.

Two triangles are congruent if they have two angles and the included side equal.

两个三角形如果有两个角及其夹边对应相等则它们全等.

We have shown that the two triangles OAB and IAB are congruent.

我们已经证明三角形OAB和IAB全等.