[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fkvx8CnP2zE9eJkv7hAyv-UVD-L52i190EKP6lQyRhNo":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":24,"type":25},[],"2024-06-12 09:26:11",150595379,[8,9,10,11],"off \u002F standby","standby \u002F off","standby \u002F close","close \u002F standby",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},103,"5f04a269b14d1b674b557c25ca4332b7","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F8a8e0d405281ca1379b155faf98f2898.png","航海英语","work_35491277","8 航海仪器","The correct method of switching off a marine radar is to turn power switch to ( ) position first, then to ( ) position",[21,26,35,44,53,62,71,80,89,98],{"answer":22,"createTime":5,"id":6,"options":23,"question":19,"source":24,"type":25},[],[8,9,10,11],"v1",0,{"answer":27,"createTime":5,"id":28,"options":29,"question":34,"source":24,"type":25},[],150595380,[30,31,32,33],"clean","clutter","sweep","click","To turn Gain control clockwise to the maximum will ( ) the screen",{"answer":36,"createTime":5,"id":37,"options":38,"question":43,"source":24,"type":25},[],150595381,[39,40,41,42],"Gain Control","Brilliant Control","Anti-clutter Sea Control","Sweep Intercept","should be used during the poor visibility if the radar screen shows heavy sea returns",{"answer":45,"createTime":5,"id":46,"options":47,"question":52,"source":24,"type":25},[],150595382,[48,49,50,51],"Anti-rain clutter","Anti-sea clutter","Gain","Sea clutter","is used to lower receiver sensitivity at shorter range to reduce or eliminate sea clutter echoes, which are most prevalent around the vessel",{"answer":54,"createTime":5,"id":55,"options":56,"question":61,"source":24,"type":25},[],150595383,[57,58,59,60],"head-up","north-up","course-up","unstabilized display","The true motion radar display is stabilized with ( )",{"answer":63,"createTime":5,"id":64,"options":65,"question":70,"source":24,"type":25},[],150595384,[66,67,68,69],"STW","SOG","COG","HDG","For N-up and C-up presentation of marine radar, ( ) signal shall be connected",{"answer":72,"createTime":5,"id":73,"options":74,"question":79,"source":24,"type":25},[],150595385,[75,76,77,78],"60","120","180","360","As the radar antenna scans through ( ) degrees a rotation, it can show where the target is relative to your position",{"answer":81,"createTime":5,"id":82,"options":83,"question":88,"source":24,"type":25},[],150595386,[84,85,86,87],"the electronic bearing line","the variable range marker","the anti-rain clutter","the anti-sea clutter","Which of the following can be used to monitor the bearing of a radar target in relation to your location",{"answer":90,"createTime":5,"id":91,"options":92,"question":97,"source":24,"type":25},[],150595387,[93,94,95,96],"distance","direction","angle","altitude","The VRM distance display will show the exact ( ) to the target",{"answer":99,"createTime":5,"id":100,"options":101,"question":106,"source":24,"type":25},[],150595388,[102,103,104,105],"To measure bearing accurately","To determine orientation accurately","To adjust radar monitor","To measure distance accurately","What is the purpose of VRM control on marine radar"]