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ligação de ida: 31 phrases in 12 subjects |
Coal | 2 |
Communications | 5 |
Electronics | 9 |
Energy industry | 1 |
General | 1 |
Information technology | 5 |
Life sciences | 1 |
Metallurgy | 2 |
Patents | 1 |
Politics | 1 |
Power electronics | 2 |
Research and development | 1 |