| |||
bidirectional; both-way; two-way |
a due vie : 24 phrases in 12 subjects |
Agriculture | 1 |
Chemistry | 3 |
Communications | 2 |
Earth sciences | 1 |
Information technology | 4 |
Materials science | 1 |
Mechanic engineering | 6 |
Medical | 1 |
Natural sciences | 1 |
Packaging | 1 |
Statistics | 1 |
Transport | 2 |