| |||
| 构件支撑 | |||
|
element support : 20 phrases in 10 subjects |
| Air defense | 2 |
| Automobiles | 1 |
| Aviation | 4 |
| Electric machinery | 1 |
| Electronics | 3 |
| Engineering geology | 3 |
| Rail transport | 1 |
| Technology | 3 |
| Thermal Energy | 1 |
| United Nations | 1 |
| |||
| 构件支撑 | |||
|
element support : 20 phrases in 10 subjects |
| Air defense | 2 |
| Automobiles | 1 |
| Aviation | 4 |
| Electric machinery | 1 |
| Electronics | 3 |
| Engineering geology | 3 |
| Rail transport | 1 |
| Technology | 3 |
| Thermal Energy | 1 |
| United Nations | 1 |