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...

第1题

A、Russian B、French C、English D、German

第2题

A、consists of B、can be received C、is transmitted by D、Are made on

第3题

A、FEC and ARQ B、satellite and terrestrial communications C、radio and telex D、NBDP

第4题

A、a terrestrial MF system B、a satellite communication system C、a land HF radio system D、a coastal VHF system

第5题

A、frequency allocated B、both language and frequency C、language used D、transmission power and time

第6题

A、frequency allocated B、both language and frequency C、language used D、transmission power and time

第7题

A、A.VHF B、B.SART C、C.NAVTEX D、D.LES

第8题

A、A.radio direction-finding apparatus B、B.DSC C、C.NAVTEX D、D.EPIRB

第9题

A、A.international NAVTEX Service B、B.FleetNET Service C、C.SafetyNet Service D、D.WWNWS

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.