本文简介了丰度模型、齐波夫律、特征分析、信息量与隶属函数等方法，并对其中某些方法有所改进。
In this paper, several methods such as abundance pattern, Zipf's Law, characteristic analysis, information content and subordinate function are briefly introduced and Some of them are improved.
文中研究了灰指数律的性质，齐次与非齐次指数律和原点分布、正分布、负分布的指数律，获得了有关的定理为灰色预测建模的优化信息处理，提供了依据与基础。
By defining the distribution of the origin and the positive and negative distribution, theorems are obtained that make it possible to optimize data processing for grey forecasting modelling.
对于上述齐次双曲守恒律方程组与其近似模型之间解的比较，已经有人得到了相关结果。
There are some results on the comparison of weak solutions of homogeneous hyperbolic system and its approximate model.
对于上述齐次双曲守恒律方程组与其近似模型之间解的比较，已经有人得到了相关结果。
There are some results on the comparison of weak solutions of homogeneous hyperbolic system and its approximate model.
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