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关注：1
2013-05-23 12:21
求翻译：在随机抽取的山区城市和山区农村各抽取30户家庭是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
在随机抽取的山区城市和山区农村各抽取30户家庭
问题补充： |
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2013-05-23 12:21:38
30 families in the mountain city and the rural and mountainous areas randomly selected from each extract
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2013-05-23 12:23:18
In the random sample of mountain city and rural mountain the Extract 30 families
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2013-05-23 12:24:58
Extracts 30 households families respectively in the draw an item at random mountainous area city and the mountainous area countryside
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2013-05-23 12:26:38
Randomly selected in the mountain area of extract 30 urban and rural households
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2013-05-23 12:28:18
正在翻译，请等待...
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