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A microscope photo of the methane-producing bacteria.
显微镜照片，产甲烷细菌。
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Methane content of the gas produced and the methane producing rate were determined by the total number of methane producing bacteria developed.
沼气中甲烷百分含量和日产甲炕效率的高低与产甲炕细菌菌数有关。
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