| |||
| altitude relative; étagement en altitude | |||
| espacement vertical; séparation verticale | |||
|
separacion vertical : 10 phrases in 4 subjects |
| Environment | 1 |
| Industry | 1 |
| Materials science | 1 |
| Transport | 7 |
| |||
| altitude relative; étagement en altitude | |||
| espacement vertical; séparation verticale | |||
|
separacion vertical : 10 phrases in 4 subjects |
| Environment | 1 |
| Industry | 1 |
| Materials science | 1 |
| Transport | 7 |