随机抽样考察
Random sampling survey
以上为机器翻译结果,长、整句建议使用 人工翻译 。
方法运用问卷调查法在某市随机抽样6个阶层共483人,考察社区市民的心理健康观念及需求。
Methods483 subjects from 6 social strata were investigated with the questionnaire to find out the community resident's idea on mental health and need for psychological service.
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