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關注：1
2013-05-23 12:21
求翻譯：分成試驗組和對照組，是什么意思？ 待解決
 懸賞分：1
- 離問題結束還有
分成試驗組和對照組，
問題補充： |
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2013-05-23 12:21:38
Divided into experimental and control groups,
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2013-05-23 12:23:18
Divided into experimental and control groups.
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2013-05-23 12:24:58
Divides into the experimental group and the control group,
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2013-05-23 12:26:38
Divided into group and control group,
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2013-05-23 12:28:18
Divided into group and control group,
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