The change of microfauna community was regular with SRT extension, which could be indicative for the operation of the MBR.
M BR中微型动物群落结构随srt的延长呈现规律性变化，对MBR的运行有指示作用。
2
The microfauna community variety in MBR along with time going was investigated, and the indicative effect of microfauna on MBR operating was discussed meanwhile.
More and more attention is paid to microfauna preying for sludge reduction because of characteristics such as low power consumption, low cost and no secondary pollution.
利用微型动物捕食进行污泥减量以其低能耗，低成本且无二次污染的特点备受关注。
词源
1
microfauna:
From micro- ?(“small, tiny”) +? fauna ?(“animals”).