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关注：1
2013-05-23 12:21
求翻译：在教室内安装负氧离子仪器前后对学生数项脑力作业能力及考试成绩分析，是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
在教室内安装负氧离子仪器前后对学生数项脑力作业能力及考试成绩分析，
问题补充： |
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2013-05-23 12:21:38
Classroom before and after the installation of negative oxygen ions on the instrument a number of mental work capacity of students and examination results analysis,
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2013-05-23 12:23:18
Classroom setup negative oxygen ion apparatus for students before and after several brain operational capacity analysis and examination results.
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2013-05-23 12:24:58
Installs around the negative oxygen ion instrument in the classroom to the number of students mental ability work ability and the test result analysis,
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2013-05-23 12:26:38
Fix negative oxygen ion instrument in the classroom for students before and after a number of mental capacity and exam results analysis,
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2013-05-23 12:28:18
Fix negative oxygen ion instrument in the classroom for students before and after a number of mental capacity and exam results analysis,
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