简述GMDSS的基本含义。GMDSS是从何时开始全面实施的？
简述GMDSS的基本含义。GMDSS是从何时开始全面实施的？
相关考题：
Proper GMDSS watchkeeping includes ______.A.understanding the GMDSS console’s normal operational indicatorsB.maintaining a proper GMDSS radio station logC.responding to and comprehending alarmsD.All of the above
What is the minimum requirement of a GMDSS operator?A.GMDSS operator licenseB.Third officer licenseC.General Radiotelephone Operator license and Radar EndorsementD.General Radiotelephone license or First or Second Class Radiotelegraph license with GMDSS Radio Officer’s endorsement
Which statement concerning GMDSS Radio Operator requirements is FALSE ________．A.Each compulsory vessel must carry at least two licensed GMDSS Radio Operators at all times while at seaB.Each compulsory vessel must carry at least two licensed Radio Operators at all times while at sea and may elect to carry a GMDSS Radio Maintainer as wellC.Communications involving safety of life at sea do not have to be logged as long as the compulsory vessel was not involved in such communicationsD.While at sea，adjustments to，and the maintaining of，GMDSS equipment may be performed by the GMDSS Radio operator as long as the work is supervised by an onboard licensed GMDSS Radio Maintainer
GMDSS通用操作员适任证书适用于（）A、A1海区船舶上的GMDSS无线电操作人员B、A3海区配备双套GMDSS设备的船舶上的无线电操作人员。C、A2海区船舶上的GMDSS无线电操作人员D、A4海区配备双套GMDSS设备的船舶上的无线电操作人员
多选题GMDSS通用操作员适任证书适用于（）AA1海区船舶上的GMDSS无线电操作人员BA3海区配备双套GMDSS设备的船舶上的无线电操作人员。CA2海区船舶上的GMDSS无线电操作人员DA4海区配备双套GMDSS设备的船舶上的无线电操作人员
单选题Proper GMDSS watchkeeping includes（）.Aunderstanding the GMDSS console's normal operational indicatorsBmaintaining a proper GMDSS radio station logCresponding to and comprehending alarmsDAll of the above
单选题Which statement concerning GMDSS Radio Operator requirements is FALSE（）.AEach compulsory vessel must carry at least two licensed GMDSS Radio Operators at all times while at seaBEach compulsory vessel must carry at least two licensed Radio Operators at all times while at sea and may elect to carry a GMDSS Radio Maintainer as wellCCommunications involving safety of life at sea do not have to be logged as long as the compulsory vessel was not involved in such communicationsDWhile at sea，adjustments to，and the maintaining of，GMDSS equipment may be performed by the GMDSS Radio operator as long as the work is supervised by an onboard licensed GMDSS Radio Maintainer
单选题What are the vessel equipment and personnel requirements for GMDSS? （）ATwo licensed GMDSS radio operatorsBEquipment carriage requirementsCDistress alerting and responseDAll of the above
单选题船舶电台通常由（）主管.A船长B大副C指定的GMDSS操作员D所有GMDSS操作员