[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fn5Z19zFLODjQNB8PH8GHtfIh55lsAFA4q7FxB6yZFYY":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":21,"type":22},[],"2023-11-05 18:06:27",103145374,[8,9,10,11],"把音频信号转换成高频信号","把高频信号转换成音频信号","将射频转换成电磁波在空间传播","将欲接收的电磁波转换为高频电流或者感应电动势",{"courseId":13,"courseImg":14,"courseName":15},"177ef1b7dd1a9a01d6c8428014fca11f","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F9c1e48361b00f3ee2086f4e259ed792b.jpg","GMDSS综合业务_2011","船舶电台发射天线的作用是______",[18,23,32,41,50,56,65,74,82,89],{"answer":19,"createTime":5,"id":6,"options":20,"question":16,"source":21,"type":22},[],[8,9,10,11],"v1",0,{"answer":24,"createTime":5,"id":25,"options":26,"question":31,"source":21,"type":22},[],103145377,[27,28,29,30],"近","中","远","全球范围","船用VHF通信设备主要用于______距离通信",{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":21,"type":22},[],103145379,[36,37,38,39],"PAN PAN","URGENCY","SECURITE","SAFETY","编辑VHF DSC紧急呼叫的电文,其类别应选择______",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":21,"type":22},[],103145381,[45,46,47,48],"①②③④","①③","②③","①②③","船舶在A4海区航行时,发送船到岸的遇险报警通常可以选择______.①EPIRB ②Inmarsat船站 ③HF-DSC ④VHF-DSC",{"answer":51,"createTime":5,"id":52,"options":53,"question":55,"source":21,"type":22},[],103145383,[48,47,54,46],"①②","Inmarsat-F船站误发遇险报警,正确的处置方法是______.①如果是已经与RCC连通,立即向RCC解释说明,取消报警②不要关机,立即给相关RCC打电话说明情况,取消报警③用可能的联系方式向相关RCC报告,取消误报警",{"answer":57,"createTime":5,"id":58,"options":59,"question":64,"source":21,"type":22},[],103145384,[60,61,62,63],"遇险呼叫","群呼","单呼","全呼","对于有关航行安全、重要的航行警告、气象警告等信息,需要所有的船舶引起注意,应采取______发播方式",{"answer":66,"createTime":5,"id":67,"options":68,"question":73,"source":21,"type":22},[],103145386,[69,70,71,72],"KKKK","NNNN","BRK+","OVER","用于切断船台与海岸电台连线用操作指令______",{"answer":75,"createTime":5,"id":76,"options":77,"question":81,"source":21,"type":22},[],103145387,[45,78,79,80],"②④⑥","②⑥","①③④⑤","DSC呼叫类型(FORMAT) 包含______.①单呼;②紧急呼叫;③群呼;④遇险呼叫;⑤海呼;⑥安全呼叫",{"answer":83,"createTime":5,"id":84,"options":85,"question":88,"source":21,"type":22},[],103145388,[86,36,38,87],"MAYDAY","URGENT","GMDSS无线电话紧急信号为______",{"answer":90,"createTime":5,"id":91,"options":92,"question":97,"source":21,"type":22},[],103145390,[93,94,95,96],"关闭设备电源即可","向收到误报警的RCC取消误报警","使用VHF CH16","使用SSB呼叫","无线电人员在操作Inmarsat-C船站时不慎误发了遇险报警,应立即______解除误报警"]