 |
| |||
| ★ 复合系统 | |||
| 复合体系 | |||
|
compound system : 26 phrases in 12 subjects |
| Aviation | 1 |
| Chemistry | 1 |
| Desert science | 1 |
| Earth sciences | 1 |
| Foreign trade | 1 |
| Nautical | 1 |
| Nuclear physics | 1 |
| Plastics | 1 |
| Rail transport | 1 |
| Refrigeration | 6 |
| Space | 2 |
| Technology | 9 |
|
| |||
| ★ 复合系统 | |||
| 复合体系 | |||
|
compound system : 26 phrases in 12 subjects |
| Aviation | 1 |
| Chemistry | 1 |
| Desert science | 1 |
| Earth sciences | 1 |
| Foreign trade | 1 |
| Nautical | 1 |
| Nuclear physics | 1 |
| Plastics | 1 |
| Rail transport | 1 |
| Refrigeration | 6 |
| Space | 2 |
| Technology | 9 |