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Current Search ((ALL：subsurface flow))
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aquifers(3)
conductivity(2)
hydraulic conductivity(2)
sediments(2)
topography(2)
boreholes(1)
drainage(1)
erosion(1)
geochemistry(1)
ground water(1)
heat(1)
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radionuclides(1)
springs(1)
velocity(1)
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