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关注:1
2013-05-23 12:21
求翻译:of the R&D performed by all US Compustat firms, 77% of all R&D-reporting firms listed in Compustat and 62% of all patents issued是什么意思? 待解决
悬赏分:1
- 离问题结束还有
of the R&D performed by all US Compustat firms, 77% of all R&D-reporting firms listed in Compustat and 62% of all patents issued
问题补充: |
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