The paper presents an analysis to students' performance on English learning by drawing on the qualitative research method and relative teaching theories as well.
采用定性分析方法，结合相关教学理论，分析具有不同性格的学生在英语专业学习各方面的具体表现。
The possibilities of applying data mining technology to expert system are analyzed. A new method for drawing and filtering control rules by using rough sets and sets pair analysis is proposed.
分析了数据挖掘技术应用于专家系统的可能性，用粗集理论和集对分析理论解决专家系统中规则的抽取和过滤问题，提出了一种新的规则提取方法。
Lastly, a static structural analysis is taken for a vehicle door inner panel part drawing with the method.
最后，应用该方法对某车型车门内板零件的拉延模具进行静力结构分析，得到了其模具型面变形的主要趋势。
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