 |
| |||
| 空间不变的 | |||
|
space invariant : 9 phrases in 6 subjects |
| Nuclear physics | 1 |
| Oil / petroleum | 1 |
| Physics | 1 |
| Space | 1 |
| Technology | 4 |
| Telecommunications | 1 |
|
| |||
| 空间不变的 | |||
|
space invariant : 9 phrases in 6 subjects |
| Nuclear physics | 1 |
| Oil / petroleum | 1 |
| Physics | 1 |
| Space | 1 |
| Technology | 4 |
| Telecommunications | 1 |