 |
| |||
| 不变的 | |||
|
non-variable : 37 phrases in 10 subjects |
| Astronomy | 1 |
| Aviation | 1 |
| Business | 2 |
| Commerce | 1 |
| Economics | 3 |
| Electronics | 2 |
| Finances | 1 |
| Oil / petroleum | 1 |
| Space | 2 |
| Technology | 23 |
|
| |||
| 不变的 | |||
|
non-variable : 37 phrases in 10 subjects |
| Astronomy | 1 |
| Aviation | 1 |
| Business | 2 |
| Commerce | 1 |
| Economics | 3 |
| Electronics | 2 |
| Finances | 1 |
| Oil / petroleum | 1 |
| Space | 2 |
| Technology | 23 |