人口增长还导致人们与家禽比邻而居,造成了病原体跨越种属屏障的进化压力和机会。
Population growth also puts people in close proximity to domestic animals, creating evolutionary pressures and opportunities for pathogens to jump the species barrier.
人口增长还导致人们与家禽比邻而居,造成了病原体跨越种属屏障的进化压力和机会。
Population growth also puts people in close proximity to domestic animals, creating evolutionary pressures and opportunities for pathogens to jump the species barrier.
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