A.they all have different limitations with respect to coverage
B.they all have different limitations in the technology they use
C.different systems apply to different ships
D.all of above
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A.Inmarsat-A
B.Inmarsat-B
C.Inmarsat-C
D.Inmarsat-F
A.Search and rescue authorities ashore will rapidly received an distress alert and acted upon
B.SAR units will be rapidly alerted to a distress incident and assist in a coordinated SAR operation
C.Ships navigating in the immediate vicinity of the ship in distress will rapidly alerted to the alert and give their help accordingly
D.The RCC will rapidly alerted to a distress alert through satellite and terrestrial communication techniques and conducted a rescue operation immediately
A.no matter where they are and what time it is
B.at scheduled time and in major ocean regions
C.at fixed time and position
D.when they get permission
A.be responsible for
B.have an impact on
C.command
D.give a guidance to
A.identity
B.identical
C.identify
D.identification
最新試題
Particular care should be（）in selecting CESs in areas where Ocean Regions overlap.
As each MSI message will have a unique identity, the printing of messages already received correctly is（）.
In case a ship is in emergency or distress in any of 4 areas, it is required to use the continuous（）alert.
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.
The vessel has stayed in port for seven days because she needs（）.
What following is not among the function of SOLAS ships?（）
All coast radio stations（）DSC installed for VHF and HF.
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.
The frequency（）the safety message will be transmitted shall be included in DSC safety call.
Radio communication（）for many years and helps to save tens of thousands of lives.