| |||
| 知识技术 | |||
|
knowledge technology : 7 phrases in 5 subjects |
| Agriculture | 1 |
| Aviation | 3 |
| Electronics | 1 |
| Horticulture | 1 |
| Name of organization | 1 |
| |||
| 知识技术 | |||
|
knowledge technology : 7 phrases in 5 subjects |
| Agriculture | 1 |
| Aviation | 3 |
| Electronics | 1 |
| Horticulture | 1 |
| Name of organization | 1 |