| 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. | Empirical likelihood method under stratified random sampling using auxiliary information and the information in the strata population size
在分层抽样下有效利用辅助信息及含于层总体大小中的信息的经验似然方法 |
| 4. | The paper analyses the survey data about stratified random sample of 70 villages in shandong province by qualitatively and quantitatively
摘要20世纪90年代以来，中国农业生产结构发生了巨大的变化，但人们对农户种植结构调整的主要影响因素有显著的不同看法。 |
| 5. | 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。 |
| 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 a stratified random cluster sample of 17269 students in china were investigated with the children and adolescents ' qol scale according to the census data in 2000 , and the urban and country norm of the scale were respectively established
方法依据2005年第5次全国人口普查资料，在全国进行多阶段分层整群抽样，分别建立城市和农村2套常模。 |
| 8. | 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。 |
| 9. | The author discussed the four steps model and provided the ameliorative method of the logit model and the solution of the fictitious public traffic routes . firstly , the author discussed the result of survey of residents trip , concluded the primary character of residents trip and put forward the method of stratified random sampling plan on that .
预测时采用了一种比较流行的“四阶段模型法” ，针对“四阶段模型法”的出行分布、交通分配子系统展开了深入的讨论，提出了针对重庆山城交通特点的“改进的logit型的随机路径选择模型”和“虚拟公交线路算法” 。 |
