查询词典 stratified sampling
- 与 stratified sampling 相关的网络例句 [注：此内容来源于网络，仅供参考]
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Methods (1) Randomized stratified clustered sampling method was used.
(1)采用分层整群随机抽样法，收集徐州市
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Stratified random sampling was used to recruit 553 participants, and response rate was 70.5%.
取样方式为分层随机抽样，共发出553份，回收390份，回收率70.5%。
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Methods The Knowledge of occupational hazard and prevention in different enterprises was investigated by stratified random sampling.
方法采用整群抽样的方法对不同行业的外资企业农民工进行职业病危害因素认知及其防护知识的问卷调查和统计分析。
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All subjects in the sample of 600 individuals were selected by a stratified systematic random sampling method and interviewed by trained interviewers.
本研究采横断面研究方法，以苗栗县所有65岁以上老年人作为研究母群体，采分层随机抽样的方法，共得到600位样本，其中男性302人，女性298人。
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This survey adopted a stratified, three stage, systematic random sampling method.
从十九所大学院校中抽出1，600人，然后采个别面访方式进行，共访问成功1，436人。
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Methods Through questionnaires,the annual number of X-ray diagnostic examination of the whole province was investigated,according to it,hospitals were arranged decreasingly into four levels,and proceeded the stratified random sampling on the rations of
阳性率是判断X射线诊断检查应用是否符合合理应用原则的重要指标之一。X射线诊断检查的阳性率应保持在一个合理的水平上，如果阳性率过低，表明无临床意义的X射线诊断检查的应用过多，应当采取措施予以限制。
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Methods Multi-stage stratified random sampling was used, and the combination of centralizing investigation and enter-household investigation were used to collect data.
方法采用多阶段分层随机抽样的方法确定调查样本，以集中调查和入户调查相结合的方式收集数据。
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MethodsDescriptive analysis was conducted among 818 medicos, who were sampled by stratified cluster sampling, and the model was established.
采用分层整群抽样的方法，对某医科大学818名医学生心理健康状况的一般情况进行描述性分析，并拟合结构方程模型。
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objective to study mental health status among medical students, and to explore the relations between the influencing factors and latent variables to mental health.methodsdescriptive analysis was conducted among 818 medicos, who were sampled by stratified cluster sampling, and the model was established.
目的 了解医学生心理健康状况，探讨医学生心理健康的影响因素及其潜变量之间的关系。方法采用分层整群抽样的方法，对某医科大学818名医学生心理健康状况的一般情况进行描述性分析，并拟合结构方程模型。
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The population was 624 certificated special education teachers of elementary school in Kaohsiung city and Kaohsiung County, drawing 250 subjects by stratified random sampling for pretesting.
本研究主要探讨高雄县市国小特殊教育教师之教师信念、生命意义感与生命教育态度的关系。
- 推荐网络例句
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As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.
每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。
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Maybe they'll disappear into a pothole.
也许他们将在壶穴里消失
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But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.
但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。