| |||
| 知识技术 | |||
|
knowledge technology : 8 phrases in 6 subjects |
| Agriculture | 1 |
| Aviation | 3 |
| Electronics | 1 |
| General | 1 |
| Horticulture | 1 |
| Name of organization | 1 |
| |||
| 知识技术 | |||
|
knowledge technology : 8 phrases in 6 subjects |
| Agriculture | 1 |
| Aviation | 3 |
| Electronics | 1 |
| General | 1 |
| Horticulture | 1 |
| Name of organization | 1 |