Ecologists warned of gene pollution from genetically modified organisms, and overuse of livestock antibiotics was widely blamed for drug-resistant "superbugs."

生态学家们警告称，具有强烈耐药性的“超级臭虫”主要源自于基因改良物种的基因污染、禽畜饲养滥用抗生素。

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Single gene index method and complex pollution indices method are used in this paper to evaluate the actuality of the water pollution in the watershed of the Futuan river.

运用单因子指数法和综合污染指数法对傅疃河流域的水环境污染现状进行了评价；

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