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.

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它也为二次文献检索数据库建立了定量化研究方法。图2。参考文献1。

It has also established a quantitative method for databases of index documents. 2 tabs. 1 ref.

youdao

它也为二次文献检索数据库建立了定量化研究方法。图2。参考文献1。

It has also established a quantitative method for databases of index documents. 2 tabs. 1 ref.

youdao