Most geology professors concerned with stratigraphic research direct their attention to outcrop stratigraphy rather than to subsurface stratigraphy.
从事地层学的多数地质学教授的注意力主要放在露头地层学而不放在地下地层学上。
Most geology professors concerned with stratigraphic research direct their attention to outcrop stratigraphy rather than to subsurface stratigraphy.
从事地层学的多数地质学教授的注意力主要放在露头地层学而不放在地下地层学上。
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