單項選擇題You may find the time of slack water after low water in a certain port from().

A.Deadweight Scale
B.Tide Tables
C.Notices to Mariners
D.Table of Azimuth


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1.單項選擇題The satellite system of GAMDSS comprise().

A.NAVTEX, COSPAS/SARSAT, EPIRBs and Status Recording-system
B.Inmarsat,COSPAS/SARSAT, EPIRBs and Status Recording-system
C.NAVTEX, Inmarast,EPIRBs and SART
D.Inmarsat, direct Printing Telegraphy

2.單項選擇題The terrestrial system of GMDSS consists of().

A.radio-telephony, DSC, Direct Printing Telegraphy,Navtex and SART
B.INMARSAT, DSC, Direct Printing Telegraphy, Navtex and SART
C.radio-telephony,DSC,EPLRB,Navtex and SART
D.Status Recording system,DSC,Direct Printing Telegraphy, Navtex and SART