Exponential distribution: the density function is as follows, (2) in which is the failure -rate of the.
当产品的寿命分布为指数分布时,其密度函数为,(2)其中为指数分布的失效率。
2
The fatality rate can be reduced by controlling the respiratory tract infection, correcting hypoxemia and carbon dioxide retention and by preventing organs functionfailure.
积极控制呼吸道感染,纠正缺氧和二氧化碳潴留,防止多器官功能衰竭发生,可降低病死率。
3
The operation recovery rate was 100%, 1 case of incisive infection, 2 cases complicated with infections of lung, without pleural effusion and liver functionfailure.