| 1. | Proportion allocation in stratified random sampling
按比例分层随机抽样 |
| 2. | Stratified random smapling
分层随机抽样 |
| 3. | The subjects of the study are 400 students from nan kai college who are randomly drawn
本研究以南开技术学院之专科生为研究对象，经分层随机抽样取400名学生做为问卷调查之实施对象。 |
| 4. | The fifth part is an investigation on the present situation of english education in the kindergartens in the main urban districts in chongqing by adopting stratified random sampling
第五部分运用分层随机抽样的方法，对重庆市主城区幼儿园英语教育现状进行了调查。 |
| 5. | The result shows that during the vegetable production expansion of the plant restructuring , the improvements of the local market infrastructure and transport facilities are the main determining factors
本文对山东省分层随机抽样的70个村的调查数据进行了定性和定量的分析。 |
| 6. | Method three thousand and eighty - sevedn beijing citizens from various areas were selected by using stratified random sampling and were surveyed by the questionnaires
方法采用多阶段分层随机抽样的方法，应用自行设计的调查表，调查不同地区的北京市民，共回收有效问卷3087份。 |
| 7. | Methods : with randomly stratified cluster sampling method , 600 elderly were selected in tangshan and the subjects were examined clinically . 1etabase was created and analyzed by sas8 . 0
方法：采用分层随机抽样方法，对唐山市600名40岁以上中老年人进行口腔健康检查，数据应用sas8 . 0软件进行单因素分析。 |
| 8. | Based on the review of and comment on the concepts and theories of attitude and travel attitude and the current research situations about travel attitude , according to three element theories of the attitude , by way of random sampling of strata , the paper has carried on measurement of travel attitude of zhengzhou city , wuzhi county and yuanyang county resident . in writing this paper , the author designed a travel attitude inventory , which had been proved to be of good reliability and validity . then it carries on factor analysis and cluster ' s analysis to the measurement
本研究在对态度、旅游态度的概念、理论和旅游态度的研究现状进行述评的基础上，依据态度的三元素理论，采用经过信度、效度检验的自编旅游态度问卷，以分层随机抽样的方式，对郑州市、武陟县和原阳县居民的旅游态度进行了测量，并对测量数据进行因素分析和聚类分析。 |
| 9. | According to the hierarchical random sampling method , we select three areas which are jinan , taian and dezhou . in order to know the morality present situation , then some teachers and students were chosen among the 49 the senior middle schools in jinan , 35 ones in taian and 30 ones in dezhou as research objects
利用分层随机抽样的方法从高、中、低三个层次抽出济南、泰安、德州三个地区，然后再从济南市49所高中、泰安的35所高中、德州的30所高中中分别随机分别抽出两所高中(分重点和非重点)的体育教师、学生为研究对象，依此来了解山东省体育教师的道德现状。 |
| 10. | This article consists of five parts , the frist two of which deal with the theoretic and partical significence of the the students of the low - income families receiving educational opportulities of colleges and universities in chongqing through discussing the background and necessity of it . the third and fourth parts are investigations on the actual situations of the students receiving educational opportulity of colleges and universities in chongqing by adopting stratified random sampling
本文共分五部分。第一、二部分从低收入家庭学生接受高等教育的背景、必要性等方面做了一般理论与实践意义的探讨；第三、四部分运用分层随机抽样的方法，对重庆市五所高校学生受教育机会的现状进行了调查。 |
