而开始重组，其中，副中子，辅助中子，辅助副中子，开始交换位置。

Then it undergoes a reorganization in which the vice neutrons, assistants to the neutron, the assistants to the vice neutrons exchange places.

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第一是“重组”，在人或猪合并感染人类或禽类病毒时发生基因材料交换。

The first is a “reassortment” event, in which genetic material is exchanged between human and avian viruses during co-infection of a human or pig.

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但是让人感到恐惧的是，H5N1可以与更容易对人类造成感染的流感病毒交换基因片段(重组)而得到进化。

One fear, however, is that H5N1 might become better at infecting humans by swapping genetic parts (reassortment) with types of flu virus that already infect humans easily.

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