<tfoot id="emqi6"></tfoot>

單項選擇題

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

你可能感興趣的試題

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

單項選擇題

Vessels in port may use（）for receiving typhoon warnings during the typhoon season.

A.their transmitters
B.their receivers
C.their radars
D.their lorans

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

你可能感興趣的試題

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

Vessels in port may use（）for receiving typhoon warnings during the typhoon season.

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