A square has four equal sides and four 90-degree angles.

正方形有四个等边和四个九十度的角。

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We may define a square as a rectangle with four equal sides.

我们可以把正方形定义为四边相等的矩形。

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An isosceles triangle has two equal sides and the two angles opposite those sides are equal.

等腰三角形有两条边相等且这两边所对的角也相等.

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Suppose you are being pulled by my favorite animals -- the elephants -- from both sides by equal force.

假设我最喜欢的动物,大象从两边拉你

耶鲁公开课 - 基础物理课程节选

Let's multiply both sides by 2, I'll get 2q1* is equal to a - c over b - q1*.

等式两边同时乘以2,得到,2q1*=/b-q1

耶鲁公开课 - 博弈论课程节选

Both sides of the deal have to have to provide the margin and it is equal on both sides.

FORBES: Getting Hosed At the Pump? Don't Dare Blame Obama

Critics say this erodes the fundamental principle that both sides are equal before the law.

BBC: Analysis: A question of secret courts

Soon after, al-Jazeera raised American hackles further with reporting on Iraq that was similarly determined to give equal time to both sides of the conflict.

ECONOMIST: Arab satellite television