characteristic factor

例句：

1. 1. The study found that the genetic makeup of the species is a significant characteristic factor in its survival and reproduction.
   研究发现，该物种的遗传构成是其生存和繁殖的一个显著特征因素。
2. 2.The team's performance was heavily influenced by the characteristics factor of their new coach.
   团队的表现深受新任教练的特性因素影响。
3. 3.The researcher proposed that the environmental factors were the characteristic factors that determined the species' distribution.
   研究者提出，环境因素是决定物种分布的特征因素。