Research and application of microorganisms in oil exploitation 并列题名：Research and application of microorganisms in oil exploitation Research and application of microbial association inference in bioinformatics Research and application of color design Research and application of insect ecology Research and application of unconventional oil and gas flow mechanism Research on the application of machine learning algorithms in education Research on value compensation of non-renewable resources in the exploitation Research and application of extension elementary dependent function Application of microorganism in drug discovery