流域生态学属于宏观生态学的研究领域，主要借助于宏观生态学的研究方法。
Being part of the macroscopic ecology research area, many macroscopic ecology methods should be used in the watershed ecology research.
崂山风景区作为国家级风景名胜区，在宏观尺度上的生态学研究方面目前是空白。
Laoshan scenic spot, regarded as national-scenic spot, is still blank at present in ecology research on macro-scale.
以前大部分研究集中于宏观工程参数控制和活性污泥特性对系统运行的作用过程，针对系统内活性污泥的分子生态学研究尚少。
Now the study of MBR focuses on macro parameter control and system running effected by sludge characteristics, and there are little studies on molecule ecology of active sludge.
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