如果全球定位系统不能修正相对论效应——爱因斯坦最著名的发现相对论的产物，这些信号就会积累大量的误差，其数据就会变得毫无意义。
If they could not correct for the effects of relativity, Einstein's most famous discovery, GPS signals would accumulate so many errors that their data would be meaningless.
对于系统各种误差的来源以及修正方法进行了探讨。
The sources of the various errors and their methods of correction of the system are explored.
并讨论修正系统误差的方法或修正计算公式。
The methods of error correction and its equation are also discussed.
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