mutation spectrum

例句：

1. 1.The mutation spectrum of this virus is very complex and difficult to predict.
   这种病毒的突变谱系非常复杂且难以预测。
2. 2.Researchers have been studying the mutation spectrum of this disease for decades.
   研究人员已经研究了这种疾病的突变谱系几十年了。
3. 3. The mutation spectrum of this species has a significant impact on its survival and reproduction.
   这种物种的突变谱系对其生存和繁殖有重大影响。