To obtain accuracy in fixing by DF，（）and three stations should be used.
- Aparallel bearings
- Blong-range bearings
- Cshort-range bearings
- Dcross bearing
问题
To obtain accuracy in fixing by DF，（）a
参考解析：
分类：GPS、DF及LC的使用题库
相关推荐
-
1、A moment is obtained by multiplying a
A moment is obtained by multiplying a force by its（）.AcoupleBlever armCmoment of inertiaDpoint of applicatio
-
2、In using reduction gears to obtain eff
In using reduction gears to obtain efficient propeller speeds, （）.Athey must be located at the after end of the engineBthey can only be used...
-
3、A position that is obtained by applyin
A position that is obtained by applying estimated current and wind to your vessel’s course and speed is a(n)（）.Adead reckoning positionBestimated positionCfixDNone of the above
-
4、A position that is obtained by applyin
A position that is obtained by applying estimated current and wind to your vessel’s course and speed is a(n) （）.Aestimated positionBdead reckoning positionCfixDNone of the above
-
5、A position obtained by crossing lines
A position obtained by crossing lines of position taken at different times and advanced to a common time is a(n)（）.Arunning fixBdead-reckoning positionCfixDestimated positio
-
6、In plotting a running fix，how many fix
In plotting a running fix，how many fixed objects are needed to take your lines of position from? （）AThreeBTwoCOneDNone