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copper oxides: 74 phrases in 21 subjects |
Astronautics | 3 |
Automated equipment | 1 |
Chemistry | 4 |
Ecology | 12 |
Electrochemistry | 3 |
Electronics | 8 |
General | 1 |
Geology | 4 |
High energy physics | 1 |
High frequency electronics | 2 |
Makarov | 10 |
Metallurgy | 3 |
Military | 1 |
Nanotechnology | 1 |
Natural resourses and wildlife conservation | 1 |
Oil / petroleum | 2 |
Physics | 3 |
Rail transport | 1 |
Technology | 10 |
Telecommunications | 1 |
Textile industry | 2 |