Methods A large-scale survey was conducted at 250 medical health units based on stratified sampling.
方法使用分层抽样的方法在全国范围内抽取250家医疗机构开展大规模调查。
This study is a sample survey of the mental health of junior middle school students in Wenzhou with an SCL-90 rating scale.
用SCL - 90量表对温州市初中生的心理健康状况进行了抽样调查研究。
Kessler 0 is a simple and effective tool to survey and it can be used to survey the mental health in large scale of population.
Kessler 0量表是一种简单有效的调查工具，可用于大规模人群心理健康状况调查。
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