所有雨水通过一系列洼地和生物过滤池处理，排出前改善了水质。
All stormwater and rainwater is treated through a series of swales and bio-filtration ponds, improving water quality before discharging.
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.
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