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... not erase what Niu Kaihuai had written but instead started lecturing directly.
"Higher-order derivatives can be combined with gravity exploration. Gravity meters can obtain gravity anomaly values for specified areas. Gravity anomalies can reveal key parameters about the occurrence, shape, and spatial location of underground geological bodies.
However, the obtained gravity anomaly is often a superimposed anomaly of the underground geological body, which can be interfered with by ...
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