| |||
terrain contour | |||
relief contour | |||
form contour; topographic contour; topographical contour | |||
isarithm |
地形 等高线 : 14 phrases in 8 subjects |
Desert science | 1 |
Earth sciences | 2 |
Electronics | 1 |
General | 2 |
Librarianship | 2 |
Space | 2 |
Technology | 3 |
Wind Energy | 1 |