提出一种建立WPI专利文献二次数据库的新方法并对专利文献进行计算机量化分析。

This paper presented a new method for quantitatively analyzing the secondary data - base of WPI.

youdao

提出一种建立WPI专利文献二次数据库的新方法并对专利文献进行计算机量化分析。

This paper presented a new method for quantitatively analyzing the secondary data - base of WPI.

youdao