基本释义:

递增等高线间隔

网络释义

1)increasing vertical,递增等高线间隔

2)vertical interval,等高线间隔

3)VI (Vertical Interval),垂直距离;等高线间隔

4)VI,等高距间隔

5)the alternatively increasing multiplier property,间隔倍数递增性质

6)intermediate contour,中间等高线