结果表明：生物滴滤池中形成了由细菌、藻类及原生动物组成的复杂生态系统，而生物过滤池中真菌为优势微生物。
The results indicate that the predominant organism groups were a complicated ecosystem including bacteria, protozoa and algae in the biotrickling filter while it was only fungi in the biofilter.
略微的突变即可使微生物具有抵抗力，使药物完全失去杀伤力，这种突变是一个进化优势，大大加快了耐药性的产生。
Slight mutations that allow a microorganism to resist the full killing power of a medicine are an evolutionary advantage that greatly expedites the development of drug resistance.
同时从驯化土壤中筛选出抗砷优势菌，为微生物修复技术提供理论依据。
While arsenic-resisted strain can be filtrated from tame soil, it can provide theoretical basis for the bioremediation technology.
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