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正因如此，科学家在短时间里面，就可以观察到太空经历对小鼠繁殖和后代健康的影响。，这一点在同城约会中也有详细论述
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Tracing and identifying the sources of an outbreak is a challenging task that can take months or years. Thanks to the Blockchain, however, companies now know exactly where their food has been—so they can trace its location and prevent future outbreaks.