Absrtact: Rough set theory is a new mathematical tool to research imprecise and incomplete data.
摘要：粗糙集是用来处理不确定、不完备数据的重要工具之一。
However, as temperatures can range greatly within a case, this method of measurement is imprecise.
然而，随着温度的范围可以在一个大大的情况，这种测量方法是不精确的。
There are quite a few imprecise words in our daily expressions.
我们的日常用语中有相当一部分是不确定语。
Quite a number of imprecise words are used in our everyday speech.
我们的日常用语中有相当一部分是不确定词。
Rough set is a mathematical approach to study imprecise, uncertain or incomplete information or knowledge.
粗糙集是研究不精确性、不确定性、不完整性现存信息或知识的数学工具。
Rough set is a mathematical approach to study imprecise, uncertain or incomplete information or knowledge.
粗糙集是研究不精确性、不确定性、不完整性现存信息或知识的数学工具。
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