| |||
| 参考系 (统) | |||
|
system of reference : 8 phrases in 5 subjects |
| Automatic control | 1 |
| Commerce | 2 |
| Project management | 1 |
| Space | 1 |
| Technology | 3 |
| |||
| 参考系 (统) | |||
|
system of reference : 8 phrases in 5 subjects |
| Automatic control | 1 |
| Commerce | 2 |
| Project management | 1 |
| Space | 1 |
| Technology | 3 |