|
data collection system : 8 phrases in 7 subjects |
| Agriculture | 1 |
| Aviation | 2 |
| Economics | 1 |
| Electronics | 1 |
| Fish farming pisciculture | 1 |
| General | 1 |
| Information technology | 1 |
|
data collection system : 8 phrases in 7 subjects |
| Agriculture | 1 |
| Aviation | 2 |
| Economics | 1 |
| Electronics | 1 |
| Fish farming pisciculture | 1 |
| General | 1 |
| Information technology | 1 |