_______ is the line-of-sight distance between two points not at the same elevation.
A.Slant range
B.Range
C.Slant distance
D.Elevation distance
正确答案是A
_______ is the line-of-sight distance between two points not at the same elevation.
A.Slant range
B.Range
C.Slant distance
D.Elevation distance
正确答案是A