He claims that absolute motion can be measured, using calculations of the velocity of light.

他声称可以通过计算光速来测量绝对运动。

How to measure the one-way velocity of light has been a problem for centuries.

几个世纪以来，如何测量单向光速一直是一个问题。

It tends to concentrate on disproving one or other of Einstein's grandiose assumptions: the impossibility of determining absolute motion, and the constant velocity of light.

它往往集中于反驳爱因斯坦的一个或另一个宏伟假设：确定绝对运动的不可能性和光速恒定。

You need synchronised clocks at both ends, but at the same time you have to make assumptions about the velocity of light in order to synchronise them.

您需要在两端同步时钟，但同时您必须对光速做出假设才能同步它们。