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。
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。
The problem is, the two sides weren't equal.
而问题恰恰是，这两面并不均等。
When both sides are equal, there is still a slight oscillation around the middle position.
当两边相同时，围绕着中心位置也会一直有轻微的摆动。
So that the demolition of the two sides enjoy equal power.
使拆迁双方享受平等权力。
So that the demolition of the two sides enjoy equal power.
使拆迁双方享受平等权力。
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