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total emission |
全 放射 : 25 phrases in 13 subjects |
China | 1 |
Earth sciences | 2 |
Electronics | 4 |
Environment | 1 |
General | 1 |
Metallurgy | 1 |
Nuclear physics | 1 |
Nursing | 1 |
Oil / petroleum | 3 |
Space | 2 |
Technology | 5 |
Telecommunications | 1 |
United Nations | 2 |