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periphyton
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周丛生物
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periphyton
周丛生物
生活在浸没于水中的各种基质表面上的有机体集合群。包括基质上生长的所有生物,有细菌、真菌、藻类、原生动物、轮虫、甲壳动物、线虫、寡毛类、软体动物,甚至鱼卵和幼鱼等。这些有机体往往被一层黏滑的、甚至毛茸茸的泥沙所覆盖。
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competitive intelligence analyst
Competitive Intelligence Annual Conference of China
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competitive intelligence culture
competitive intelligence cycle
competitive intelligence department
competitive intelligence ethics
competitive intelligence evaluation
competitive intelligence for decision
competitive intelligence function
competitive intelligence gathering
competitive intelligence grey zone
competitive intelligence management
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competitive intelligence moral
competitive intelligence need
competitive intelligence network
competitive intelligence performance evaluation
competitive intelligence practice
competitive intelligence product
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