与传统模型相比，本文所提出的基于随机分布函数的生育率组合模型和死亡率分段模型使模型精度得到了进一步的提高。

Compared with traditional functions, both the composite fertility model which is based on random distribution functions and the segmented mortality model improved the models 'accuracy.

youdao

与传统模型相比，本文所提出的基于随机分布函数的生育率组合模型和死亡率分段模型使模型精度得到了进一步的提高。

Compared with traditional functions, both the composite fertility model which is based on random distribution functions and the segmented mortality model improved the models 'accuracy.

youdao