This paper makes analysis on the main component factors and, based on this, selects rational models for forecasting patent developing trends.
对专利的主要构成因素进行了分析，在此基础上选择合理的专利发展趋势预测模型。
Sample Rational models: Sample models for the portlet are provided in Rational Rose format.
Rational模型样本：portlet的样本模型是以Rational rose格式提供的。
Sample Rational models: Sample models for the portlet are provided in Rational Rose format.
Rational模型样本：portlet的样本模型是以Rational rose格式提供的。
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