The second part, on the basis of the questionnaire survey to explore the impact of Internet on college students.
第二部分，在问卷调查的基础上，探讨网络对大学生的影响。
Methods: an anonymous questionnaire survey was conducted among 560 college students through Internet.
方法：本课题通过网络采用无记名方式问卷调查了560名大学生。
Methods: Survey of the employees in enterprises was carried out by mental health and open questionnaire on the Internet.
方法：采用心理状况调查问卷和自编开放式问卷进行网络调查。
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