“所以屏幕无论多远,光斑都是1秒转一圈。”
如果承认这点,当光斑组成的圆的圆周大于c,圆周上光斑的移动速度不就大于c了?
“所以屏幕无论多远,光斑都是1秒转一圈。”
如果承认这点,当光斑组成的圆的圆周大于c,圆周上光斑的移动速度不就大于c了?
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我的意思就是说觉得他对过程的描述没有错
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09/27/2011 postreply
03:12:36
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