A.frequency allocated
B.both language and frequency
C.language used
D.transmission power and time
您可能感興趣的試卷
你可能感興趣的試題
A.10 minutes every 4 hours
B.half an hour every other hour
C.irregular period of time
D.5 minutes every two hours
A.on the bridge
B.in the coast station
C.on the forecastle
D.on starboard side
A.search and rescue
B.safe
C.co-ordinated
D.hydrographic
A.special
B.different
C.expensive
D.valuable
A.a mother ship
B.a lifeboat
C.a life craft
D.all of A,B,C
最新試題
Every ship constructed on or after（）shall comply with all the applicable requirements of this chapter.
As each MSI message will have a unique identity, the printing of messages already received correctly is（）.
Every lifeboat which is fitted with a fixed two-way vhf radiotelephone apparatus with（）which is separately mounted shall be provided with arrangements for sitting and securing the antenna effectively in its operating position.
COSPAS-SARSAT is intended to be used for（）.
Radio communication（）for many years and helps to save tens of thousands of lives.
The frequency（）the safety message will be transmitted shall be included in DSC safety call.
What following is not among the function of SOLAS ships?（）
The priority of EGC messages is classified by（）.
Ship-to-ship distress alerting should be conducted by（）.
International Navtex service means the coordinated broadcast and automatic reception on（）khz of maritime safety information by narrow-band direct-printing telegraphy using English language.