| |||
układ odniesienia |
reference system : 19 phrases in 11 subjects |
Automatic control | 1 |
Communications | 1 |
Earth sciences | 2 |
Electric motors | 1 |
Electronics | 1 |
Environment | 2 |
General | 1 |
Industry | 1 |
Information technology | 3 |
Telephony | 5 |
Transport | 1 |