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关注：1
2013-05-23 12:21
求翻译：对四川交通职业技术学院50名大学生进行了调查，回收了50份有效答卷。是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
对四川交通职业技术学院50名大学生进行了调查，回收了50份有效答卷。
问题补充： |
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2013-05-23 12:21:38
Sichuan Vocational and Technical Education 50 college students were surveyed, collected 50 valid respondents.
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2013-05-23 12:23:18
For 4, 50 Technical College of transportation for the college students, a survey of 50 valid responses.
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2013-05-23 12:24:58
Has carried on the investigation to the Sichuan transportation professional technology institute 50 university student, has recycled 50 effective answer papers.
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2013-05-23 12:26:38
正在翻译，请等待...
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2013-05-23 12:28:18
正在翻译，请等待...
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