你可能感興趣的試題

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

單項選擇題

To obtain accuracy in fixing by DF，（）and three stations should be used.

A.parallel bearings
B.long-range bearings
C.short-range bearings
D.cross bearings

Calibration Stations give special transmissions for the calibration of ship’s（）.

你可能感興趣的試題

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

To obtain accuracy in fixing by DF，（）and three stations should be used.

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

To obtain accuracy in fixing by DF，（）and three stations should be used.