赏金 | 标题 | 回答数 | 最后回答 |
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求助中文文献 | 6 | czcht 20/9/22 11:01 |
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悬赏10分求助一篇外文,谢谢。 | 1 | qq250083771 20/9/22 10:55 |
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求助论文一篇 | 2 | liying 20/9/22 10:52 |
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求助文献3篇,谢谢! | 4 | jiali70 20/9/22 10:47 |
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求文献一篇 | 2 | dahua1981 20/9/22 10:34 |
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求 Heterocycles 文献一篇 | 1 | zk200512345 20/9/22 10:22 |
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求助一篇文献,谢谢 | 2 | hstudent 20/9/22 10:16 |
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求助SD文献5篇,谢谢! | 6 | hstudent 20/9/22 10:09 |
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求助下载文章一篇Effects of tillage and plastic mulch on soil water, growth and yield of spring-sown maize | 4 | yilai1002 20/9/22 9:53 |
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求助中文文献 | 5 | czcht 20/9/22 9:52 |
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文献求助!!!!谢谢 | 1 | zengzhengce163 20/9/22 9:41 |
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求助书籍一本 | 2 | yyqhyn 20/9/22 9:40 |
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中文文献5篇 | 6 | slj159200mark 20/9/22 9:39 |
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求助文献,谢谢 | 2 | yilai1002 20/9/22 9:32 |
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求助ProQuest博士论文一篇 | 3 | v2678949 20/9/22 9:31 |
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求助文献5篇 | 6 | yilai1002 20/9/22 8:36 |
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求外文文献2篇 | 2 | dahua1981 20/9/22 8:25 |
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求助英文文献,谢谢 | 9 | dong3626 20/9/22 2:21 |
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A request for one paper,help me | 1 | eginzon 20/9/21 23:37 |
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求助正式文献 | 6 | v2980992 20/9/21 23:26 |