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问题: 求英语高手翻译一句话。

在以一个角的顶点为原点,一条边为x轴正半轴的直角坐标系中,以原点为圆心作单位圆。

解答:

In a corner vertex of the origin, one side for the x-axis is the axle of the Cartesian coordinate system to the origin as the center of the circle to the unit circle.