Excessive use of synthetic fertilizer leaves soil devoid of adequate microbial populations.

化肥的过量使用，使得土壤缺乏足够的微生物种群。

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Increases immune system by strengthening helpful microbial populations and suppressing harmful bacterial growth.

加强有益菌群，抑制有害菌群生长来增强免疫力。

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Antimicrobial use disrupts the balance of microbial populations, leading to a rise in resistant organisms and changes in patterns of infections.

抗菌素的使用扰乱了微生物种群的平衡，致使耐药生物增多，感染模式发生变化。

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This is one of the biological properties, the naturally occurring properties of plasmids, is that they exist in microbial populations and they confer on them resistance from toxins that would ordinarily kill them.

这就是这类生物学特性之一,它是质粒所具有的自然特性,这些质粒存在于微生物群体中,并赋予微生物抗性,使它们免于被毒素杀死

耶鲁公开课 - 生物医学工程探索课程节选