compass
direction finder
loran
sextant
第1题:
A.Direction d = NORTH;
B.Nav.Direction d = NORTH;
C.Direction d = Direction.NORTH;
D.Nav.Direction d = Nav.Direction.NORTH;
第2题:
()是目前最为成熟的GNSS定位系统。
第3题:
This is a radio ___(测向仪).
A.compass
B.direction finder
C.loran
D.sextant
第4题:
The emergency alarm is sounded on ()according to master’s order.
第5题:
A ()is very much like an ordinary telephone.
第6题:
Calibration Stations give special transmissions for the calibration of ship’s ______.
A.gyro-compass
B.marine radar
C.DF
D.navigational satellite
第7题:
The emergency alarm is sounded on ()(汽笛) according to master’s order.
第8题:
This is a ___ (罗兰).
A.compass
B.direction finder
C.loran
D.sextant
第9题:
This is a ()(罗兰).
第10题:
sextant()