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關注：1
2013-05-23 12:21
求翻譯：R&D intensity (i.e., the ratio of the R&D stock to assets) is highly significant (0.633,是什么意思？ 待解決
 懸賞分：1
- 離問題結束還有
R&D intensity (i.e., the ratio of the R&D stock to assets) is highly significant (0.633,
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