B.TMZ C.MEDICO D.NW 选C
133.How long will the SART operate when in stand-by condition? A.86 hours B.20 hours C.55hours D.96 hours 选D
134.NCS is the abbreviation for Network Coordination______ A.Station B.Safety C.Sea
D.Service 选A
135.A station in the mobile service the emissions of which are intended to facilitate search and rescue operation is______ A.EPIRB B.SART C.Mobile Station D.Distress Alerting 选A
136.A SART will provide the main means for______a survival craft in the system A.sending B.launching C.locating D.leaving
选C
669.The general benefit of the GMDSS is to______ A.enable SAR operations to start with minimum delay B.give facilities to marine communication C.reduce sharply the chances of ship’s sinking D.both A and C 选B
670.The GMDSS is composed of______ A.satellite and terrestrial communication systems B.only navigational and alerting systems C.just MSI SYSTEM and locating system D.SAR co-ordination system
选？
671.The GMDSS must combine all various subsystems,because______ 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 选？
672.The INMARSAT consists of______major components A.4 B.9 C.8 D.5 选D
673.The INMARSAT safety-net service covers______
A.the whole world B.all NAVAREAS C.areas from A1 to A2 D.only four Inmarsat regions 选D
674.The NCS of Inmarsat-A system in the IOR is in______ A.Goonhilly,UK B.Yamaguchi,Japan C.Perth,Australia D.Southbury,USA 选B
675.The NCS of Inmarsat-A system in the AOR-E in______ A.Goonhilly,UK B.Yamaguchi,Japan