deathrate

1. And this paper discusses the deathrate function that plays an important role in the model and a numerical method is provided to solve the model.
   同时文中还讨论了在模型中占有重要地位的死亡率函数，并提出了数值方法求解模型。
2. An Infectious Disease Model for Birthrate and Deathrate
   考虑出生与死亡因素的传染病模型

noun

1. the ratio of deaths in an area to the population of that area

   Synonym:    death ratemortalitymortality ratefatality rate