This method establishes a DNA "fingerprint" that distinguishes specific strains, confirming that these people were sickened by this batch of hamburger or that batch of peanut butter.
这个方法建立了一个基因指纹库来区别不同的血缘，确信这群人是因食用了这批汉堡或者那批花生酱而得病的。
This method establishes a DNA "fingerprint" that distinguishes specific strains, confirming that these people were sickened by this batch of hamburger or that batch of peanut butter.
这个方法建立了一个基因指纹库来区别不同的血缘，确信这群人是因食用了这批汉堡或者那批花生酱而得病的。
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