From 1996 to 1998,in the epidemic diseases area, we inspected 77005 equine animals by dropping eyes with mallein,the result of all is negative.
1996~1998年连续3年在原区以素眼属动物77005匹,结果均为阴性。
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We looked back throughout the historical record - all recorded human history, to see examples of threats which have wiped out, or killed millions of people in the past, including wars and plagues which spread epidemic diseases between populations.
我们回顾了所有历史记录——所有记载下来的人类历史,来看看一些关于威胁的例子,它们在过去已经毁掉或杀死了数百万人,这些威胁包括战争以及在人口之间传播病的瘟疫。