système de communication : 64 phrases in 14 subjects |
Communications | 24 |
Economy | 2 |
Education | 1 |
Electronics | 2 |
Environment | 2 |
Finances | 1 |
Fish farming pisciculture | 1 |
General | 7 |
Industry | 1 |
Information technology | 12 |
Medical | 1 |
Politics | 8 |
Technology | 1 |
Work flow | 1 |