AVO is a seismic exploration technology using the characteristics of amplitude variation versus offset to recognize the rock types and oil-gas reservoir.

是利用振幅随偏移距变化特征分析和识别岩性和油气藏的地震勘探技术。

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This fails to recognize the oil and gas production already was subject to extensive federal and state air quality regulations before the new rules.

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Some states, such as Pennsylvania, recognize this to be an issue, and have created regulations to oversee fair distribution of oil and gas royalties.

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