| |||
| 基准面 | |||
| 参考〔假定〕基面 | |||
| 参考基点 | |||
| 参考基准面 | |||
| 基准零点; 参考基准 (面); 参考基准面 | |||
|
reference datum : 10 phrases in 5 subjects |
| Air defense | 1 |
| Geophysics | 4 |
| Oil / petroleum | 1 |
| Space | 3 |
| Technology | 1 |
| |||
| 基准面 | |||
| 参考〔假定〕基面 | |||
| 参考基点 | |||
| 参考基准面 | |||
| 基准零点; 参考基准 (面); 参考基准面 | |||
|
reference datum : 10 phrases in 5 subjects |
| Air defense | 1 |
| Geophysics | 4 |
| Oil / petroleum | 1 |
| Space | 3 |
| Technology | 1 |