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关注:1
2013-05-23 12:21
求翻译:European Patents from the PATSTAT database could be assigned. Note that R&D, patent, and citation stocks were computed with the declining balance formula. The maximum patent stock with 5,431 patents, for example, corresponds to 17,000 patents是什么意思? 待解决
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- 离问题结束还有
European Patents from the PATSTAT database could be assigned. Note that R&D, patent, and citation stocks were computed with the declining balance formula. The maximum patent stock with 5,431 patents, for example, corresponds to 17,000 patents
问题补充: |
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