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关注：1
2013-05-23 12:21
求翻译：样本代表性好和抽样误差减少是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
样本代表性好和抽样误差减少
问题补充： |
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2013-05-23 12:21:38
Good and representative samples to reduce sampling error
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2013-05-23 12:23:18
representative samples of good and sampling error reduce
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2013-05-23 12:24:58
The sample representation good and the sampling error reduces
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2013-05-23 12:26:38
Sample representative good sampling error and reducing
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2013-05-23 12:28:18
The sample representativeness is good and the sampling error is reduced
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