抽样

Methods Proportional to Size Sampling method was employed and face to face interview was used to collect the information.

采用分层、三阶段与规模成正比的抽样方法获得调查对象，调查员入户面对面进行问卷调查。

Methods Population Proportional to Size sampling method was employed in sampling.

方法2005年11~12月采用分层、三阶段与规模成正比的容量比例抽样方法获得调查对象，采用统一调查问卷由统一培训的调查员入户进行面对面调查。

After probabilities proportional to size sampling, 1422 students and 2737 their parents were included in this study. Occupational history, history and risk factors of hypertensive diseases were collected by questionnaires.

以随机抽样的方式，从台北市的全体国中学童产生样本，共获得1422位学生和2737位学生父母亲为研究样本，探讨其职业与高血压性疾病的相关资料。

Methods The multi stratified grouping random sampling method and the proportional sampling was used.

本次流调方法与全国第四次流调方法基本一致，采用分层整群等比例随机抽样方法。

According to the survey for the whole country to the provinces, autonomous regions and municipalities for the whole meeting, to take layered, multi-stage cluster probability sampling method proportional.

据介绍，这次调查以全国为总体，以各省、自治区、直辖市为次总体，采取分层、多阶段、整群概率比例的抽样方法。

The subjects are 609 students sampled from a junior high school at Taipei County by stratified proportional random sampling method.

本研究以台北县某国中学生为母群体，采分层比例随机抽样方法，抽出样本609人。

Methods Probability proportional to size sampling method was used to select 6006 residents aged 45 years and elder from Shilin county. Information was obtained from a questionnaire survey and fasting blood sugar test. The data was analyzed with binary logistic regression.

在昆明市石林县采用按比例概率抽样方法，对6 006名45岁～农村居民进行问卷调查和空腹血糖检测，并应用二分类Logistic模型分析影响糖尿病患病的因素。

Methods Stratified random proportional sampling method was used to interview undergraduate students. Version 3.0 of the Composite International Diagnostic Interview of World Health Organization (WHOCIDI3.0) was applied for investigation.

应用分层按比例随机抽样的方法，采用世界卫生组织复合性国际诊断交谈表3.0(WHOCIDI3.0)对在校本科生进行访谈。

Methods: According to the principle of stratified proportional sampling, a total of 1605 adult subjects from 17 cities and their surrounding rural areas of China was measured by CWVDT.

自编中文字词识别测验，经条目筛选后采用分层比例抽样方法，在全国五个行政区17个大中城市及周边农村抽取样本1605例。

The subjects were selected by the "probability proportional to size" sampling method from Taipei County from February to July 1988. A total of 2,367 mothers of children were questioned in personal and/or telephone interviews. The response rate was 74%.

以等机率分层分段抽样方法，自台北县内选取12至23个月大之幼儿为样本，於民国七十八年一月至七月间，针对幼儿母亲以家庭访视和电话访问方式，共收得2，367位个案资料，完访率达74%。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。