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- DESIGN: Chester sampling investigation and paired design were applied. 设计:整群抽样调查,配对设计。
- Methods The blood lead levels of 1228 pre-school children were investigated through chester sampling. 方法 采用整群抽样方法抽取临沂市区 12 2 8名学龄前儿童 ,对其进行血铅含量检测并统计分析。
- Method Learning stress and its management by 213 nursing staff in a hospital were studied by the use of chester sampling self assessment questionnaire. 方法采用整群抽样,自评式问卷调查法,对某市3级乙等医院213名护理人员进行学习压力与应对方式的调查。
- SETTING,PARTICIPANTS and INTERVENTIONS:Totally 4 915 subjects above 60 years o ld in the commuties of Chongqing City were randomly selected by chester sampling . 地点、对象和方法:采用随机整群抽样,抽取重庆市社区60岁以上人口4915人进行调查。
- Methods Chester sampling survey was employed in this study. 22 communities and 30 villages in 7 counties were selected and 15384 individuals were investigated. 方法 国际通用血压测量方法和质控标准 ,对全区七个县人口进行整群随机抽样调查 ,2 2个居委会和 3 0个自然村入选 ,共调查1 5 3 84人 ,根据年龄分为 1 4组 ,5岁为一年龄段。
- Methods: The review epidemiological investigation research in 9 countries 52 villgaes of Panshi, Liaoyuan, Baishan, Jilin province had been done by random chester sampling. 方法：用分层随机整群抽样方法对吉林省磐石、辽源、白山3市9个乡、52个村进行回顾性流行病学调查研究。
- Methods Stratified chester random sampling. 方法采用分层整群随机抽样的调查方法。
- The new church is consecrated by the bishop of Chester. 在切斯特的主教主持下举行了新教堂的奉献礼。
- The new church was consecrated by the Bishop of Chester. 在切斯特的主教主持下举行了新教堂的奉献礼。
- chester sampling 整群抽样
- Xerography invented by Chester Carlson. 切斯特.;卡尔森发明静电复印术。
- I spent a few days sampling the literature of social science. 我花了几天时间浏览有关社会科学的文献。
- [Methods]Random, multistage, stratification and chester sampling method were taken in 28 schools in Jinan, Yantai, Taian and Linyi city,5 870 students were anonymously surveyed by a self-administered KAP questionnaire. [方法]2004年6月,采用多级分层整群抽样的方法,在济南市、烟台市、泰安市、临沂市,对28所大中学的部分在校学生进行匿名问卷调查。
- Street artist on High Street, Chester, UK. 大街上表演的街头艺术家。
- His Worship the Mayor of Chester. 切斯特市长阁下。
- Take the Chester Road out of town. 走切斯特路出城。
- "Ready to go, girl?" Uncle Chester said cheerfully. "姑娘，准备走吧？"柴斯特姨夫欢快地说。
- Chester Finn of the conservative Thomas B. 当然，这并不是说，邓肯是唯一的选择。
- It involves a subject known as isokinetic sampling. 这涉及所谓等速取样的问题。
- The concept of sampling will be presented below. 关于采样的概念，后面将要说明。
