In this context, a differential GPS (DGPS) positioning, carrier phase technology emerged and rapid development.
在此背景下,差分gps (DGPS)定位、载波相位等技术应运而生并飞速发展。
In this context, a differential GPS (DGPS) positioning, carrier phase technology emerged and rapid development.
在此背景下,差分gps (DGPS)定位、载波相位等技术应运而生并飞速发展。
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