求翻译：针对当前学生上课经常打瞌睡、注意力不集中、情绪低落等现象，本文采用调查的方法对中国社会科学院研究生院的100名研究生第一节课疲劳的原因进行了调查与分析, 结果表明：睡眠不足，营养缺乏，运动不足，教学模式不适当都是引发学生产生疲劳的重要因素。针对这些原因，本文从学校、老师和学生三个角度提出相应的对策。是什么意思？

Sleep for the current class, the students often fall asleep, inability to concentrate, depression and other phenomena, using the survey of 100 on the Graduate School of the Chinese Academy of Social Sciences graduate first class fatigue conducted a survey and analysis of results showed that: lack of

For the current students often dozed off, lack of concentration, depression, and this article use the methodology of the survey of 100 Chinese Academy of Social Sciences graduate school graduate students the first lesson of fatigue for the investigation and analysis, the results show that: lack of s

Attended class in view of the current student dozes off, the attention frequently not centralized, the mood low and so on the phenomena, this article uses the investigation the method to carry on the investigation and the analysis to the Chinese Academy of Social Sciences graduate school 100 graduat

For the current students often dozed off in class, attention deficit disorder, depression, and other phenomena, this application of the survey methodology for 100 students on the first lesson of the Graduate School of the Chinese Academy of social sciences conducted a survey and analysis on causes o