If you look at this point where the hyperbola and the circle touch each other, first of all, I don't know which circle I am going to look at.

来看一下这一点，这里双曲线和圆刚好接触的地方，首先，我不知道我要看的是圆上面的哪一点。

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The filled circle represents the starting point of the activity diagram, effectively a placeholder, and the filled circle with a border represents the ending point.

实心圆表示活动图的起点，实际上是一个占位符，带边框的实心圆表示终点。

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As an example, we'll write a function that takes two points, the center of the circle and a point on the perimeter, and computes the area of the circle.

下面我们写一个函数作为例子，这个函数需要两个点，一个是圆心，一个是圆周上面的点，函数要用来计算这个圆的面积。

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The point is to decrease the car's turning circle (another weak point in front-drive cars).

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The observatories will circle this point, keeping the Earth and our star in a near-straight line.

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His best saves in the opening period were back-to-back stops on Henrique from low in the left circle and then a quick pad stop on Elias' uncontested rebound from point-blank range.

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