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sistema activo |
sistema attivo : 27 phrases in 13 subjects |
Chemistry | 2 |
Communications | 2 |
Customs | 4 |
Earth sciences | 1 |
Electronics | 2 |
Energy industry | 1 |
Environment | 1 |
General | 2 |
Life sciences | 1 |
Natural sciences | 2 |
Pharmacy and pharmacology | 4 |
Technology | 1 |
Transport | 4 |