This paper reviewed the establishment of original Weng model and accomplished the derivation of generalized Weng model, based on Gamma (r) distribution in the probability statistics.
回顾了原翁氏模型的建立，并基于概率统计学中的伽马分布，完成了广义翁氏模型新的推导。
The function of land area statistics provides real-time statistics in business of land-use planning and supports the establishment of land-use planning.
地类面积统计功能实现了土地利用规划业务中地类面积的实时统计，辅助土地利用规划的编制。
Objective to explore the establishment of the indexes of air pollution and health effect and make the weight coefficients of them to the point of health statistics.
目的从医学统计学方法角度，探讨建立大气污染健康效应指标体系并确立其权数。
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