名词
中文翻译：突变指数
同义词：
['变异系数，变异率例句：1. The mutation index of the virus is a critical factor in its spread.（病毒的突变指数是其传播的关键因素。）']
例句：
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1. The mutation index of the virus is a critical factor in its spread.
病毒的突变指数是其传播的关键因素。
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2.The geneticists calculated the mutation index for the new strain.
遗传学家计算了这种新毒株的突变指数。
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3. The study found that the mutation index was higher in areas with poor sanitation.
研究发现，卫生条件较差的地区突变指数较高。