When navigating using DGPS（Differential Global Positioning System）you may expect your position to be accurate to within a radius of ______．A.10 metersB.20 metersC.50 metersD.100 meters
When navigating using DGPS（Differential Global Positioning System）you may expect your position to be accurate to within a radius of ______．
A.10 meters
B.20 meters
C.50 meters
D.100 meters
相关考题：
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单选题When navigating using DGPS（Differential Global Positioning System）you may expect your position to be accurate to within a radius of（）.A10 metersB20 metersC50 metersD100 meters
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