This paper reviews five methods of calculating healthy life expectancy, namely, Sullivan method, double-decrement method, multistate life table method, micro-simulation method, grade of membership model.是什么意思_This paper reviews five methods of calculating healthy life expectancy, namely, Sullivan method, double-decrement method, multistate life table method, micro-simulation method, grade of membership model.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句