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[单选题]
在比例尺为1∶2000,等高距为2m的地形图上,如果按照指定坡度i=5,从坡脚A到坡顶B来选择路线,其通过相邻等高线时在图上的长度为()。
A.10mm
B.20mm
C.25mm
D.15mm
查看答案
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A.10mm
B.20mm
C.25mm
D.15mm
A.25mm
B.20mm
C.10mm
A.10mm
B.20mm
C.25mm
A、10mm
B、20mm
C、25mm
D、15mm
A.0.01m
B.0.015m
C.0.05m
A.4
B.1
C.9
A、1%
B、5%
C、10%
D、20%
A.1:500~1:1000
B.1:1000~1:2000
C.1:2000~1:5000
D.1:5000~1:10000
A.1:1000~1:500
B.1:2000~1:1000
C.1:5000~1:1000
D.1:10000~1:5000