Or, bake your cake batter in a 9-inch square and a 9-inch circle pan (the square pan must have sides the same length as the circle's diameter).
或者,在一个9平方英尺和9英尺圆的平底锅里烘烤你的蛋糕糊。
The Pearl Roundabout traffic circle in Manama became Bahrain's own version of Tahrir Square.
麦纳珍珠广场的交通圈成为巴林版本的解放广场。
Count the number of generated points that are both in the circle and in the square.
计算同时在圆内和正方形内的点。
We know it's going around in a circle because if I find the length of this vector, which is the x-square part, plus the y-square part, I just get r square at all times, because sine square plus cosine square is one.
我们之所以知道它做圆周运动,是因为我求出了这个矢量的模长,也就是 x 的平方加上 y 的平方,我就得到了它在任意时刻的模长平方,因为正弦平方加余弦平方始终等于1
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