The rescue coordination center may()on stations which interfere with traffic.
- Akeep silence
- Bforbid transmission
- Cchange information
- Dimpose
The rescue coordination center may()on stations which interfere with traffic.
1、( )If you buy the three books on May 2
( )If you buy the three books on May 2nd , 2009, you will just pay __________ for them.A$ 93B$71C$80D$79
Red lights may appear on().Ahorizontally banded buoysBvertically striped buoysCyellow buoysDspherical buoy
3、In the horizon system of coordinates w
In the horizon system of coordinates what is equivalent to latitude on the Earth?().AAltitudeBZenithCDeclinationDZenith distance
4、Green lights may appear on().
Green lights may appear on().Ahorizontally banded buoysBvertically striped buoysCyellow buoysDspherical buoy
5、The()is that search and rescue authori
The()is that search and rescue authorities ashore, as well as shipping in the immediate vicinity of the ship in distress, will be rapidly al...
6、In the horizon system of coordinates w
In the horizon system of coordinates what is equivalent to the equator on the Earth?().APrime vertical circleBPrincipal vertical circleCParallels of altitudeDHorizo