[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$frwPp6TtMRLc5_yax4GgMTwSB6tGmdbHcTEzl86BLbRM":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":27,"type":28},[],"2023-11-06 08:29:18",103550961,[8,9,10,11],"一个.通过查阅传播表","如果存在静电干扰,请先尝试较低的频段","收听岸站"免费信号",选择最强的","在夜间,选择最高频率.在白天选择较低的频率",{"courseId":13,"courseImg":14,"courseName":15},"307392648a4732b391cef14fbbf904c5","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F7e2d5ad53be3d12aacc56ee37db405b7.jpg","GMDSS 英语","如何确定为NBDP传输到岸站选择的最佳频率",[18,29,38,47,56,59,68,77,86,95],{"answer":19,"createTime":5,"id":20,"options":21,"question":26,"source":27,"type":28},[],103550956,[22,23,24,25],"MF","甚高频","高频","LF系列","频率156.525 MHz和156.800 MHz应在____的频段内使用","v1",0,{"answer":30,"createTime":5,"id":31,"options":32,"question":37,"source":27,"type":28},[],103550957,[33,34,35,36],"答:1106年","212420 WHAQ X","四个标记(一)和三个空格(零)形成二进制信号"1001101"","1701576","______ 是 ARQ 通信中使用的海岸站的有效 Selcall 号码",{"answer":39,"createTime":5,"id":40,"options":41,"question":46,"source":27,"type":28},[],103550958,[42,43,44,45],"用于与海岸无线电台的FEC通信","用于与海岸无线电台的ARQ通信","仅用于遇险通信,以限制信道干扰","用于与船舶站的DSC通信","双工通信中配对频率的通常目的是______",{"answer":48,"createTime":5,"id":49,"options":50,"question":55,"source":27,"type":28},[],103550960,[51,52,53,54],".MSG+","AMV+","污垢xxy+","OPR+","如果您打算通过NBDP直接向岸上的订户发送消息,您将使用指令______",{"answer":57,"createTime":5,"id":6,"options":58,"question":16,"source":27,"type":28},[],[8,9,10,11],{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":27,"type":28},[],103550962,[63,64,65,66],"一个.然后,该船请求海岸广播电台的Selcall","然后,该船将用户号码传输到海岸广播电台","After exchanging answerbacks with the vessel, the coast radio station transmits "GA+"","The vessel then transmits the text of the message to the coast radio station","一旦与海岸广播电台建立了ARQ通信,会发生什么",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":27,"type":28},[],103550965,[72,73,74,75],"Automatic Receiver Quieting","Automatic Repeat Request","Automatically Sent Transmit Q' signals","Automatic Relay without Question","What is ARQ",{"answer":78,"createTime":5,"id":79,"options":80,"question":85,"source":27,"type":28},[],103550966,[81,82,83,84],"four "N" s, i.e. "NNNN"",""BRK+"","four "Q" s, i.e. "QQQQ"","five periods (".....")","The group keystrokes or characters in choice ______ is sent as part of ARQ communications to signal the end of the text",{"answer":87,"createTime":5,"id":88,"options":89,"question":94,"source":27,"type":28},[],103550967,[90,91,92,93],"AM","ARQ","FEC","VHF-DSC","You can receive traffic lists at sea via ______ mode",{"answer":96,"createTime":5,"id":97,"options":98,"question":100,"source":27,"type":28},[],103550969,[90,92,99,91],"RTTY","In NBDP service, the ______ mode would be selected to receive weather broadcasts from high seas shore stations"]