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类比是根据两类事物或两个问题在某些方面(如特性、属性、关系)相似或相同,来推知他们在其他方面也可能相似或相同的一种逻辑推理方法。类比的基础是观察,类比的关键是联想。如在中学数学解题中,可由两个命题中条件的相似,去联想结论的相似;还可由两个命题中条件的相似,去联想结论的相似;还可由两个概念的相似,去联想解题思路的相似。其表现形式丰富多样。
An analogy is based on the similarity or the sameness of two kinds of things or two problems in certain aspects (such as traits, attributes, relations) to infer that they may be similar or the same in other ways. The basis of analogy is observation, the key to analogy is association. As in the middle school mathematics problem solving, the conditions can be similar to the two propositions, to similar conclusions of the association; but also by the similarity of the conditions of the two propositions to think similar conclusions; but also by the similarity of the two concepts to the association Similar ideas. Its rich and varied forms of expression.