流感病毒在自身复制时通过一系列的复制错误也在不断的进行变异。
Flu viruses also mutate, by making mistakes when replicating.
突变可以是由辐射、化学作用、外部病原体(如：病毒)或细胞分裂时基因组复制错误造成。
Mutations can be induced by radiation, chemical treatment, foreign pathogens (e.g. viruses), or due to errors that occur during replication of the genome each time a cell divides.
没有规则的复制错误将在他们的编码中产生差别，这些编码用来表示虚拟世界中这些阿维达人状况的好坏.
The random copying errors create differences in their code which dictate how well, or badly, they will perform in their simulated world.
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