Information reduction method is given, in which includes RS knowledge modeling, RS decision logic expression, distinction matrix making, cores calculation, attributes reduction, rules generation, etc.
给出了数据约简方法，包括建立RS知识模型、RS决策逻辑表示、确定辨识矩阵、计算其核心、进行属性归约、规则形成等内容。
The relevant terminology, block and matrix characteristics, genetic mechanism, palaeogeography and tectonics are discussed in this paper together with their distinction from melanges.
笔者讨论了其术语、岩块、基质特征、形成机制和古地理古构造条件，并列表分析了它与混杂堆积的区别。
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