[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f-B9QkmPlS4Xc8u_ElILkYdfC1id4auN-_Ip9VHJK4AI":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":13,"question":17,"related":18,"source":29,"type":74},[],"2023-11-27 14:04:45",109023226,[8,9,10,11,12],"示坡线","首曲线","计曲线","山脊线、山谷线","间曲线、助曲线",{"courseId":14,"courseImg":15,"courseName":16},"b39cdc9dca4974dcf21a5c3a11c8490f","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F5fc4721dc9d05ea36d3a7ae92feb6858.jpg","数字测图原理与方法（1）","等高线按用途可以分为",[19,31,40,49,58,67,75,84,87,97],{"answer":20,"createTime":21,"id":22,"options":23,"question":28,"source":29,"type":30},[],"2023-11-27 14:02:34",109020423,[24,25,26,27],"1:500","1:1000","1:2000","1:5000","某地区进行拆迁重建,需绘制地形图,要求测距精度达到0.1m,则要用比例尺为多少的地形图来计算比较合适","v1",0,{"answer":32,"createTime":21,"id":33,"options":34,"question":39,"source":29,"type":30},[],109020427,[35,36,37,38],"850","1.7","1.27","85","1:500地形图上一地块图上面积为34\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fe599bc8a74d28a3c2bf6380dd2583e33.webp\">,实际为( )亩",{"answer":41,"createTime":21,"id":42,"options":43,"question":48,"source":29,"type":30},[],109020429,[44,45,46,47],"等高线平距","等高距","水平距离","高程之差","相邻等高线间的高差为",{"answer":50,"createTime":21,"id":51,"options":52,"question":57,"source":29,"type":30},[],109020432,[53,54,55,56],"K49","K48","J49","J50","设西安某地的地理坐标为:北纬 40°12′16″,东经 108°55′08″.计算其在1:100万地形图的编号",{"answer":59,"createTime":21,"id":60,"options":61,"question":66,"source":29,"type":30},[],109020434,[62,63,64,65],"该幅图比例尺为1:10万","该幅图在北京市1:10万地形图中位于第8行、第4列","某地的经度为114°33′45″,纬度39°22′30″,位于该幅图中","北京市所在地区的1:100万地形图编号是J50","某北京市地形图图幅编号是J50D008004 ,则以下描述错误的是",{"answer":68,"createTime":5,"id":69,"options":70,"question":73,"source":29,"type":74},[],109023223,[71,24,25,26,72],"1:100","1:10000","大比例尺地形图是指( )的地形图",1,{"answer":76,"createTime":5,"id":77,"options":78,"question":83,"source":29,"type":74},[],109023224,[79,80,81,82],"比例符号","半比例符号","非比例符号","线状符号","地物符号分为",{"answer":85,"createTime":5,"id":6,"options":86,"question":17,"source":29,"type":74},[],[8,9,10,11,12],{"answer":88,"createTime":5,"id":89,"options":90,"question":96,"source":29,"type":74},[],109023230,[91,92,93,94,95],"同一条等高线上所有点高程相等","等高线密集表示陡坡","等高线与山脊线、山谷线正交","高程相同的点都在同一条等高线上","等高线不能相交、重合","等高线的特性有",{"answer":98,"createTime":5,"id":99,"options":100,"question":105,"source":29,"type":74},[],109023231,[101,102,103,104],"0.1m","0.2m","0.05m","20cm","1:2000比例尺精度是"]