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- geodynamics (5)
- electronic digital computers (4)
- geology (4)
- chemistry, analytic (3)
- 生物化学 (3)
- environmental geology (2)
- meteorology (2)
- statistics (2)
- aquatic animals (1)
- chemistry, analytical (1)
- chemistry, organic (1)
- dolomite (1)
- earth (1)
- earth sciences (1)
- environmental protection (1)
- fortran (computer program language) (1)
- heat (1)
- human ecology (1)
- mathematical optimization (1)
- mathematics (1)
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