émétteur-récepteur : 107 phrases in 12 subjects |
Communications | 41 |
Computers | 14 |
Earth sciences | 4 |
Education | 2 |
Electronics | 1 |
General | 2 |
Information technology | 18 |
Metallurgy | 2 |
Natural resourses and wildlife conservation | 2 |
Patents | 3 |
Telecommunications | 2 |
Transport | 16 |