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关注：1
2013-05-23 12:21
求翻译：这些青年科学家通过现场观察，获得了研究工作所需要的第一手材料是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
这些青年科学家通过现场观察，获得了研究工作所需要的第一手材料
问题补充： |
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2013-05-23 12:21:38
These young scientists through on-site observation, the research needed to obtain first-hand material
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2013-05-23 12:23:18
These young scientists through an on-site observation, and access to the research work as required by the first-hand material
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2013-05-23 12:24:58
These young scientists through the spot inspection, have obtained the first material which the research work needs
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2013-05-23 12:26:38
These young scientists through field observation, access to the research needs of first-hand information
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2013-05-23 12:28:18
These young scientists through on-site observation, the research needed to obtain first-hand material
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