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
更多“To obtain accuracy in fixing by DF cross bearings，（）should be used.”相关的问题
A、A.The readings are too low (small numerically) and the amount of the error must be added to the compass to obtain true B、B.The readings are too low and the amount of the error must be subtracted from the compass to obtain true C、C.The readings are too high (large numerically) and the amount of the error must be added to the compass to obtain true D、D.The readings are too high and the amount of the error must be subtracted from the compass to obtain true
A、A.The readings are too low (small numerically) and the amount of the error must be added to the compass to obtain true B、B.The readings are too low and the amount of the error must be subtracted from the compass to obtain true C、C.The readings are too high (large numerically) and the amount of the error must be added to the compass to obtain true D、D.The readings are too high and the amount of the error must be subtracted from the compass to obtain true
A、supply clean air to the measuring compartment of the units for more accuracy B、generaate the pressure required for the extraction of the oil mist from the C、generate the pressure required for the extraction of the oil mist from the crankcase D、supply clean air to the measuring track of the units for more accuracy
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