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.
介绍了五种计算健康预期寿命的方法：沙立文方法、递减法、增减状态生命表方法、观仿真法、属等级模型法，并对各种方法的优缺点作了述评。
That method builds up comprehensive evaluation model of many index signs; the adoption grade of membership functions to carry out a description towards evaluating index sign.
该方法建立多指标综合评价模型，采用隶属度函数对评价指标进行了描述。
Aiming at the partial invalidity problem which exists in fuzzy comprehensive evaluations, this paper proposes a new relative membership grade weighted mean method.
针对模糊综合评判方法存在部分失效的问题，提出一种相对隶属度加权平均法。
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