题目内容
(请给出正确答案)
[单选题]
测得a、b两特征点的高程分别为201.3米和207.5米,若相邻两条计曲线间的高差为5米,则a、b两点间的基本等高线有()。
A.4条
B.5条
C.6条
D.7条
答案
C、6条
如果结果不匹配,请 联系老师 获取答案
A.4条
B.5条
C.6条
D.7条
C、6条
A.35mm
B.40mm
C.45mm
D.48mm
A.45.534,43.251
B.40.968,38.685
C.44.251,41.968
D.42.251,39
A.45.534,43.251
B.40.968,38.685
C.44.251,41.968
D.42.251,39
A.417.485
B.417.484
C.417.487
D.417.489
A.HB=HA-a-b
B.HB=HA+a+b
C.HB=HA+a-b
D.HB=HA-a+b
A.HB=HA-a-b
B.HB=HA+a+b
C.HB=HA+a-b
D.HB=HA-a+b
A.1920.083mm;
B.1916.577mm;
C.1920.086mm;
D.1916.573mm。