生态学，即研究生物与其环境之间关系的科学，在石油地质中也很重要。

Ecology, the study of the relationship between living organisms and their environment, is also important in petroleum geology.

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生态学，即研究生物与其环境之间关系的的科学，在石油地质中也很重要。

Ecology, the study of the relationship between living organisms and their environment, is also important in petroleum geology.

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在重金属地质污染源的上方同样也可能形成重金属的射流晕分布，因此研究重金属的射流晕现象在环境研究中有重要意义。

There also exists jet halo above pollution source of heavy metal, therefore it is of significance in environmental research to study the jet halo.

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