So, that means that this distance on the road is actually equal to the distance here on the circumference of the wheel.
这就意味着，这段距离，等于车轮边缘的这段距离。
And, now, let's mention that we have a point that's been painted red on the circumference of the wheel.
现在，我们有一个点,这个点在车轮边缘，它被涂上红色。
Large quantities of raster lines radial-arrayed along the circumference in the raster wheel are drafted on a photoelectric plotter film directly with the photoelectric draft technology.
光栅轮中沿圆周径向排列的大量光栅线是采用光电绘图技术直接绘制在光电绘图仪胶片上形成的。
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