According to the date obtained the mortality from various diseases of silicotics were calculated and compared with agespecific death rate of local residents using SMR as index.
计算矽肺患者各类疾病死亡率，与当地居民的年龄别死亡率进行比较，计算标化死亡比；
2
The changing trend of 5 models and the effect of 5 death causes on age - specific death rate model are also discussed and analysed.
讨论并分析了5种模型的变化趋势及5种死因对人群年龄死亡模型的影响作用。
3
The average quantities, average rate of age spcific migration and average age specific population in the four years from 1985 to 1989 can be estimated by using this method.