At last the main sorts of ways in Chinese patent retrieval have been illustrated.
最后总结了我国专利文献检索的主要方法与途径。
2
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。
3
This lesson chiefly describes the basic cases of patent application of fertilizer and the main problems existed in specifications and claims in current application documents.