Methods: Under the same conditions, the method of life table and analysis of variance was used.
方法：在相同条件下，采用生命表的方法和方差分析。
Methods: Pneumoconiosis incidence in workers departed from dust of gold mine was studied by life-table analysis and progressively regression analysis method.
方法：应用寿命表法和逐步回归分析方法，对某金矿离尘矿工尘肺发病情况进行研究。
Comparisons are made on the features of the life table Method and the Product-Limit Estimation in life table constructing procedure. A special type of life data, the truncated data, is introduced.
对生命表法和乘积限估计法应用上的特点进行了比较，同时还对特殊的寿命数据类型——截断数据做了简要介绍。
From the above it has been proved that the life-table method is practical and efficient in forecasting the supply of the MCH manpower.
结果证明寿命表法是一种实用，有效的预测妇幼卫生人力供给量的方法。
From the above it has been proved that the life-table method is practical and efficient in forecasting the supply of the MCH manpower.
结果证明寿命表法是一种实用，有效的预测妇幼卫生人力供给量的方法。
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