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關注：1
2013-05-23 12:21
求翻譯：the retention factor,is defined as the distance traveled by the compound divided by the distance traveled by the solvent是什么意思？ 待解決
 懸賞分：1
- 離問題結束還有
the retention factor,is defined as the distance traveled by the compound divided by the distance traveled by the solvent
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