| |||
| 三能级的; 三层的; 三平面的 | |||
| 三能级 | |||
|
three-level : 52 phrases in 14 subjects |
| Agriculture | 1 |
| Architecture | 1 |
| Aviation | 2 |
| Business | 3 |
| China | 1 |
| Earth sciences | 1 |
| Economics | 1 |
| Electronics | 3 |
| Information technology | 2 |
| Management | 1 |
| Polymers | 1 |
| Space | 2 |
| Technology | 29 |
| Telecommunications | 4 |