| |||
| señal unidireccional | |||
|
unidirectional : 25 phrases in 11 subjects |
| Agriculture | 1 |
| Chemistry | 4 |
| Communications | 3 |
| Electronics | 6 |
| General | 1 |
| Industry | 2 |
| Information technology | 3 |
| Mechanic engineering | 1 |
| Piezoelectric crystals | 1 |
| Technology | 2 |
| Transport | 1 |
| |||
| señal unidireccional | |||
|
unidirectional : 25 phrases in 11 subjects |
| Agriculture | 1 |
| Chemistry | 4 |
| Communications | 3 |
| Electronics | 6 |
| General | 1 |
| Industry | 2 |
| Information technology | 3 |
| Mechanic engineering | 1 |
| Piezoelectric crystals | 1 |
| Technology | 2 |
| Transport | 1 |