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In these the needles are arranged parallel to each other in a flat plane.
在横机上,针在一个平面上平行排列。
youdao
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Well, we enter when the ray hits the flat face, when we hit the plane.
当射线击中这个平面,就进入了区域。
youdao
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Well, we enter when the ray hits the flat face, when we hit the plane.
当射线击中这个平面,就进入了区域。
youdao