Traditional GPS positioning technique is unreliable as it works on the occasion of insufficient satellite signal, and it can be modified and complemented by DR arithmetic.
传统的GPS定位技术在定位卫星信号接收差的场合工作不可靠，通过DR算法可将GPS信号进行修正和补充。
Traditional GPS positioning technique is unreliable as it works on the occasion of insufficient satellite signal, and it can be modified and complemented by DR arithmetic.
传统的GPS定位技术在定位卫星信号接收差的场合工作不可靠，通过DR算法可将GPS信号进行修正和补充。
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