单项选择题
A.1995 B.1998 C.1999 D.2000
The（）is that search and rescue authorities ashore, as w...
单项选择题The（）is that search and rescue authorities ashore, as well as shipping in the immediate vicinity of the ship in distress, will be rapidly alerted to a distress incident so they can assist in a coordinated SAR operation with the minimun delay.
A.common communication system B.distress traffic system C.basic concept of GMDSS D.SAR operation procedure
（）communication are intership VHF radio telephone commu...
单项选择题（）communication are intership VHF radio telephone communication.
A.ship-to-shore B.shore-to –ship C.bridge-to-bridge
From IMO’S point of view, INMARSAT’s most important fun...
单项选择题From IMO’S point of view, INMARSAT’s most important function is the provision of（）.
A.general radio communication B.MSI C.improved distress and safety communication D.bridge-to-bridge communication
