[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fPtbX2vJRz0ABomqYl3f30e8Q5UBLr8Av2CccsHyKQyY":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2025-05-29 05:19:13",191815345,[8,9,10,11],"测钎","测杆","觇牌","垂球",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},114,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","work_17748040","作业1301-1417","角度观测时,地面目标点必须要设立照准标志,不管目标远近都较为理想的照准标志为( )",[21,32,41,50,59,68,77,80,89,98],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],191815270,[25,26,27,28],"±2″","±4″","±8″","±16″","等精度观测四角形内角,角度闭合差中误差为±8″,则测角中误差 为 ( )","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],191815282,[36,37,38,39],"1\u002F15000","1\u002F20000","1\u002F25000","1\u002F30000","依据《工程测量规范》(GB50026-2007),一级导线导线全长相对闭合差应小于( )",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],191815293,[45,46,47,48],"0.5mm","0.6mm","0.8mm","1.5mm","在一般地区,大比例尺地形图上图上地物点相对邻近图根点的点位中误差为( )",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":30,"type":31},[],191815310,[54,55,56,57],"0°","180°","270°","360°","竖直角的最大值为( )",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":30,"type":31},[],191815318,[63,64,65,66],"+0.012","-0.012","+0.018","-0.018","用尺长方程式为 l t =30-0.0024+0.0000125×30(t-20℃)m的钢尺丈量某段距离,量得结果为 121.409m,丈量时温度为 8℃,则温度改正值为( )m",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":30,"type":31},[],191815331,[72,73,74,75],"密集性","有界性","对称性","抵偿性","绝对值相等的偶然误差出现的概率大致相等,体现的是偶然误差的( )",{"answer":78,"createTime":5,"id":6,"options":79,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":81,"createTime":5,"id":82,"options":83,"question":88,"source":30,"type":31},[],191815372,[84,85,86,87],"66.867m","66.882m","68.892m","69.626m","在A、B两点进行往返水准测量,h AB =+1.383,h BA =-1.362,已知H A =68.254m,则B点的高程为( )",{"answer":90,"createTime":5,"id":91,"options":92,"question":97,"source":30,"type":31},[],191815383,[93,94,95,96],"+0.098","+0.099","+0.100","+0.101","在四等水准测量中, 黑面的高差为+0.098m,红面的高差为-0.001m,则平均高差是( )m",{"answer":99,"createTime":5,"id":100,"options":101,"question":106,"source":30,"type":31},[],191815396,[102,103,104,105],"任何等级水准测量都应尽量保持前后视距相等","水准测量外业结束后,可以直接转入内业计算","水准仪 i 角误差可以通过前后视距相等来消除,作业前可以不检查 i角","如果没有标尺零点差,水准标尺前后互换是可以的","关于水准测量做法正确的是( )"]