[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fEwvmKH839uejfqf--H37i5zbvtuUpmeRP1TpvKTuJCw":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2024-06-12 09:26:11",150595416,[8,9,10,11],"remains same","decreases","increases","changes accordingly",{"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","When ship's speed changes, the gyro error ( )",[21,32,41,50,59,68,77,86,95,104],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],150595379,[25,26,27,28],"off \u002F standby","standby \u002F off","standby \u002F close","close \u002F standby","The correct method of switching off a marine radar is to turn power switch to ( ) position first, then to ( ) position","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],150595380,[36,37,38,39],"clean","clutter","sweep","click","To turn Gain control clockwise to the maximum will ( ) the screen",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],150595381,[45,46,47,48],"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":51,"createTime":5,"id":52,"options":53,"question":58,"source":30,"type":31},[],150595382,[54,55,56,57],"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":60,"createTime":5,"id":61,"options":62,"question":67,"source":30,"type":31},[],150595383,[63,64,65,66],"head-up","north-up","course-up","unstabilized display","The true motion radar display is stabilized with ( )",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":30,"type":31},[],150595384,[72,73,74,75],"STW","SOG","COG","HDG","For N-up and C-up presentation of marine radar, ( ) signal shall be connected",{"answer":78,"createTime":5,"id":79,"options":80,"question":85,"source":30,"type":31},[],150595385,[81,82,83,84],"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":87,"createTime":5,"id":88,"options":89,"question":94,"source":30,"type":31},[],150595386,[90,91,92,93],"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":96,"createTime":5,"id":97,"options":98,"question":103,"source":30,"type":31},[],150595387,[99,100,101,102],"distance","direction","angle","altitude","The VRM distance display will show the exact ( ) to the target",{"answer":105,"createTime":5,"id":106,"options":107,"question":112,"source":30,"type":31},[],150595388,[108,109,110,111],"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"]