Power system simulation using hydraulic system is a physical simulation based on mathematical similarity.
电力系统的水力模拟，则是在数学相似基础上的物理系统模拟。
Simulation based on the physical or mathematical similarity between model and original system is the major research method in power system.
基于模型与系统物理相似或数学相似的模拟是进行电力系统研究的主要方法。
The similarity with earthquakes intrigued him and he wondered if the mathematical formulas that seismologists employ to predict aftershocks were applicable to aftercrimes, too.
这种和地震的相似性激起了他的兴趣，于是他想，如果地震学家应用的预测余震的数学公式应用到犯罪后效应中，又会如何呢？
The major purpose of this paper is to establish a precise mathematical conception of similarity relation.
本文的主要目的是确立相似关系的准确数学概念。
Fuzzy set and fuzzy logic can rationally make mathematical description of the conditional similarity among the analogical objects and correctly determine the rule of the analogy.
利用模糊集与模糊逻辑可以对类比对象间的有条件性相似关系做合理的数学描述，准确确定类比的条件规则。
Fuzzy set and fuzzy logic can rationally make mathematical description of the conditional similarity among the analogical objects and correctly determine the rule of the analogy.
利用模糊集与模糊逻辑可以对类比对象间的有条件性相似关系做合理的数学描述，准确确定类比的条件规则。
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