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关注：1
2013-05-23 12:21
求翻译：The research showed that the cation exchange capacity is relevant in granular aquifer material, but nearly nonexistent in the fractured aquifer material (Medina-Meja 2003).是什么意思？ 待解决
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- 离问题结束还有
The research showed that the cation exchange capacity is relevant in granular aquifer material, but nearly nonexistent in the fractured aquifer material (Medina-Meja 2003).
问题补充： |
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