| |||
| à deux canaux; à deux ports; à deux voies; à deux lignes | |||
| |||
| canal double; canal dual | |||
|
dual-channel : 16 phrases in 8 subjects |
| Automated equipment | 1 |
| Communications | 1 |
| Computers | 3 |
| Earth sciences | 4 |
| Electronics | 1 |
| General | 2 |
| Information technology | 2 |
| Transport | 2 |