[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fLuIk-zmc7Jt1y90g9xiVX35QZKZkva9KT4a1VPTlEOk":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2025-10-20 21:26:41",222907972,[8,9,10,11],"Error caused by rapid changes in course","Error caused by rapid changes in draft","Errors caused by rapid changes in speed","Errors caused by rapid changes in latitude",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},40,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","work_20519615","5.12","Which of the following does NOT belong to the steaming error of a gyrocompass",[21,32,41,50,59,68,71,80,89,98],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],222907967,[25,26,27,28],"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","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],222907968,[36,37,38,39],"direction of a target","distance to a target","size of a target","shape of a target","Radar makes the most accurate determination of the_____",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],222907969,[45,46,47,48],"true north","magnetic north","ships' track","relative motion","Gyro compass has become one indispensable instrument in almost all merchant ships for its ability to detect the direction of___",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":30,"type":31},[],222907970,[54,55,56,57],"great convenience","finding true north","magnetic characteristic","simplicity and reliability","Despite the rising importance and great convenience of the gyrocompass, the magnetic compass still retains its importance because of its____",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":30,"type":31},[],222907971,[63,64,65,66],"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":69,"createTime":5,"id":6,"options":70,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":72,"createTime":5,"id":73,"options":74,"question":79,"source":30,"type":31},[],222907973,[75,76,77,78],"STW","SOG","COG","HDG","For N-up and C-up presentation of marine radar,___ signal shall be connected",{"answer":81,"createTime":5,"id":82,"options":83,"question":88,"source":30,"type":31},[],222907974,[84,85,86,87],"Similize","Mechanize","Synchronize","Position","____the repeater compass with the master compass, please",{"answer":90,"createTime":5,"id":91,"options":92,"question":97,"source":30,"type":31},[],222907975,[93,94,95,96],"magnetic variation","marine insurance","maritime accident","mean high water spring","The annual change in____ is 0.2 degree",{"answer":99,"createTime":5,"id":100,"options":101,"question":106,"source":30,"type":31},[],222907976,[102,103,104,105],"off; standby","standby; off","standby; close","close; standby","The correct method of switching off a marine radar is to turn power switch to Position______ first, then to____ position"]