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数学模型是针对某种事物系统的特征或数量依存关系,采用数学语言,概括地表述出的一种数学结构。这种数学结构是借助于数学符号刻画出来的某种系统的纯关系结
A mathematical model is a kind of mathematical structure which is expressed in general terms by the mathematical language in view of the dependence of the characteristics or quantity of a certain system of things. This mathematical structure is a kind of systematic pure relation knotted by means of mathematical symbols