• 以系统随机整群抽样陕南山羊进行遗传资源抽样检测。

    The genetic resources of South Shaanxi white goats are examined with the method of Stratified Random Cluster sampling.

    youdao

  • 采取抽样选择434健康体检农村妇女进行问卷调查进行统计学分析

    Adopts the group sampling law to choose 434 example physical exam rural women to carry on the questionnaire survey, carries on statistics analysis.

    youdao

  • :于2005-10采用整群抽样随机抽取河南大学本科新生310人进行问卷调查

    METHODS:310 freshmen in October 2005, selected from Henan University by cluster sampling, were interviewed by questionnaires.

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  • 采用分层整群抽样法抽取江汉大学1681名本科学生采用抑郁自评量表(SDS)进行测评。

    Methods A cluster stratified sample of 1681 students ham Jianghan University were investigated by SDS.

    youdao

  • 采用整群抽样,选取浙江省4个县区42 065名中小学生伤害的认知行为进行问卷调查

    Methods a questionnaire was used to survey injury -related knowledge, attitude and behavior of 42 065 students drawn from 4 counties of Zhejiang province by using a cluster sampling method.

    youdao

  • 采用整群抽样SF -36量表杭州市4血透中心的181例血透患者进行评量表式调查。

    Methods: By a cluster sampling procedure, 181 hemodialysis patients from 4 hemodialysis centers in Hangzhou completed the SF 36 Scales with self administration.

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  • 采用随机抽样抽取699名护航舰队官兵症状自评量表(SCL- 90)对其进行心理测评。

    MethodsThrough random cluster sampling, 699 convoying warship soldiers were investigated with Symptom Check-List 90 (SCL-90).

    youdao

  • 采用随机抽样抽取699名护航舰队官兵症状自评量表(SCL- 90)对其进行心理测评。

    MethodsThrough random cluster sampling, 699 convoying warship soldiers were investigated with Symptom Check-List 90 (SCL-90).

    youdao

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