 |
| |||
| bidirectional; both way; both-way; two way; two-way; 2-way | |||
| in beiden Richtungen: 14 phrases in 8 subjects |
| Communications | 2 |
| Electronics | 4 |
| General | 1 |
| Information technology | 3 |
| International Monetary Fund | 1 |
| Mechanic engineering | 1 |
| Microelectronics | 1 |
| Transport | 1 |