apparent infection

基本解释

The apparent infection rate equations in different disease development stages for RSB, and the model of yield loss assessment were set up.
不同品种受纹枯病为害所致损失不同，组建了不同品种的产量损失估计模型，施氮量对同等病情程度的损失影响不显著。
Officials found evidence, for example, that a patient transmitted the disease to health care workers during a 1988 apparent swine flu infection among pigs in Wisconsin.
并且已经找到了证据，例如，1988年在威斯康辛州的猪中爆发的猪流感就发生了人传染给医务工作者的案例。
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Clinical signs of disease were apparent within 24 hours of infection and within eight days euthanization was necessary.
感染后24小时内临床症状就很明显了，实验8天不得不给予了安乐死处置。