To obtain accuracy in fixing by DF cross bearings,()should be used.

A . two stations,including one on the nearest coast B . two stations,including one on the nearer coast C . three stations,including one on the farthest coast D . three stations,including one on the nearest coast

时间:2022-09-19 22:07:55 所属题库:GPS、DF及LC的使用题库

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