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【多选题】
线路勘测中定测阶段的任务是（）。
A.
平面和高程控制测量
B.
线路中线测量
C.
横断面测绘
D.
纵断面测绘
E.
带状地形图测绘
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Subways are underground trains, which usually operate 24 hours a day. They are found in larger cities and usually run between the suburbs and the downtown area. Maps and schedules are available from t...
A.
within downtown areas
B.
away from city centers
C.
in or outside big modern cities
D.
between suburbs and city centers