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activity concentration | |||
activity/radioactive concentration | |||
radioactivity concentration | |||
radioactive concentration | |||
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activity concentration; radioactive concentration |
放射性 浓 度 : 18 phrases in 8 subjects |
Agriculture | 1 |
Earth sciences | 1 |
General | 2 |
Nuclear physics | 1 |
Space | 2 |
Technology | 9 |
Water resources | 1 |
Wind Energy | 1 |