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Acústico | |||
Acústica |
Akustyczna : 190 phrases in 13 subjects |
Communications | 1 |
Economics | 1 |
Electronics | 154 |
Environment | 9 |
Natural sciences | 1 |
Physical sciences | 2 |
Piezoelectric crystals | 6 |
Radio | 2 |
Telecommunications | 2 |
Telegraphy | 2 |
Telephony | 6 |
Ultrasound | 3 |
Wind Energy | 1 |