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| 公开/私有: | 公开 私有 |
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- data mining (2)
- mines and mineral resources (2)
- mining engineering (2)
- technological innovations (2)
- 杂文集 (2)
- abandoned mined lands reclamation (1)
- arms control (1)
- bibliometrics (1)
- capital investments (1)
- company towns (1)
- computer algorithms (1)
- corporacion minera de bolivia (1)
- cost effectiveness (1)
- data processing (1)
- database searching (1)
- economic aspects (1)
- energy conservation (1)
- expert systems (computer science) (1)
- information technology (1)
- intellectual property (1)
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