But grey model has some shortcomings , as gm ( 1 , 1 ) is an increasing exponent model , which is of unlimited increase 但灰色模型有不足之处,主要是gm ( 1 , 1 )预测模型是增长指数模型,具有无限增长的特性。
The thesis has established the models based on the importance of certain activities in quality management system 本文根据具体活动在质量管理体系中的重要性建立了模型,最为典型的是供应商业绩指数模型。
Two relation models between the drill footage and proved reserves are introduced : gompertz model and exponential model 摘要为估算油气探明储量,介绍了探井进尺和探明储量间的2种统计模型:龚帕兹模型和指数模型。
On the basis of analyzing hyperbola and exponent models in common use , the power function model of shear deformation is presented for rock joints 在分析了岩体节理剪切变形常用双曲线模型和指数模型的基础上,提出了一种幂函数模型。
Spherical models , exponential models , gaussian models can be used to fit the semi - variogram . draft phenomena of available iron showed hole effect model 其变异函数可用球状模型、指数模型、高斯模型拟合,有效铁存在漂移现象,可用孔穴效应模型拟合。
By using this taxis and single index model of the portfolio theory , this paper establishes a goal program model in investment of pension fund 根据养老保险基金的性质和投资运营的基本原则,利用投资组合理论中的单指数模型,本文建立了养老保险基金投资的目标规划模型。
On the basis of this , the article measure csi by p - e ( perception - expectation ) , ep ( evaluated performance ) , nq ( normed quality ) and customer satisfaction index models 另外,本文分析评价各国用户满意度指数模型,并在此基础上,对用户满意度指数模型的结构进行了分析。
We will set up models to solve the problem by using the numbers in the fact . finally , we will test the usefulness of the models by using spss software 本章利用现实当中的数据对单指数模型进行了拟合,并且利用spss软件对拟合的模型进行了各种检验,结果证明建立的模型是有效的。
The last chart will go on discussing the single - index model . singe - index model points out that security profit correlates to one index . but the concrete kind of index is unknown 因为单指数模型只假定证券的投资收益率与一种指数成线性关系,但对具体指数的类型没有进行明确的说明。
Markowits e - v model is founded on two assumptions : risk averting and none satisfaction . mean of return ratio and variance of return ratio are the two indexes used in the model 单指数模型是假定每一种证券的收益(或多或少的)与一个指数水平相关而建立起来的收益与这种指数的线性关系。