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关注：1
2013-05-23 12:21
求翻译：这些科学家通过现场观察获得了研究工作所需的第一手资料是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
这些科学家通过现场观察获得了研究工作所需的第一手资料
问题补充： |
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2013-05-23 12:21:38
These scientists obtained through field observations first-hand information needed for research
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2013-05-23 12:23:18
These scientists work through an on-site observations are required for the study of first-hand information
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2013-05-23 12:24:58
These scientists have obtained the first material through the spot inspection which the research work needs
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2013-05-23 12:26:38
These scientists have obtained through field observation on the research work required for first-hand information
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2013-05-23 12:28:18
These scientists have obtained the first-hand materials that research work need through the field observation
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