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.；同时；从理论上讨论了有关翁氏模型的特性