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模型思想:什么是模型?辞海中这样解释:与原型相对,研究对象的替代物。原型即客观存在的研究对象;模型,则是与原型相似的替代物。张奠宙教授认为:“广义地讲,数学中各种基本概念和基本算法,都可以叫做数学模型。加减乘除都有各自的现实原型,它们都是以各自相应的现实原型作为背景抽象出来的。狭义的解释,只有那些反映特定问题或特定的具体
Model idea: What is a model? Explained in the sea like this: As opposed to the prototype, a substitute for the study object. The prototype is an objective research object; the model is a similar substitute with the prototype. Professor Zhang Dianzhou thinks: ”In a broad sense, all the basic concepts and basic algorithms in mathematics can be called mathematical models, and addition, subtraction, multiplication and division have their own realistic prototypes that are abstracted from their corresponding realistic prototypes Narrowly explained, only those that reflect specific problems or specific ones