植物繁衍技术The Techniques of Plant Propagation 生态学概论Introduction of Ecology 热带作物资源概论Introduction of Tropical Crop Resources ..
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In the system of bio-film, micro-ecology of bio-film was more stable than activated sludge's after introduction-culture and co-operation compound bacterium.
在生物膜系统中通过引种和共培养复合菌群后，生物膜微生态系统较活性污泥微生态系统更加稳定。
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