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关注:1
2013-05-23 12:21
求翻译:ratio of patents to R&D is much lower (see Column 5) because so much more of measured R&D is是什么意思? 待解决
悬赏分:1
- 离问题结束还有
ratio of patents to R&D is much lower (see Column 5) because so much more of measured R&D is
问题补充: |
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