stratified random 中文意思是什麼

stratified random 解釋
分層隨機
  • stratified : 層化的
  • random : n 〈罕用語〉胡亂行為，偶然的[隨便的]行動[過程]。adj 1 任意的，胡亂的，隨便的；（話等）信口亂說的...
  1. Proportion allocation in stratified random sampling

    按比例分層隨機抽樣
  2. A choice has also to be made between probabilistic ~ techniques ( such as random or stratified ~ ) and non - probabilistic ~ techniques ( such as judgmental, quota or convenience ~ )

    另外要在兩種取樣方法中進行選擇，是選概率取樣法（例如隨機或分層取樣）還是選非概率取樣法（例如判斷取樣、定額取樣或方便取樣） 。
  3. Through questionnaire, we know the present situation of secondary school teachers ' understanding of self - regulated learning, and give our solutions on these questions. to make the investigation representative, this research adopts the way of the stratified random sample and in the three different levels of schools in the whole city - high quality, medium quality, low quality

    為保證調查取樣的代表性，本研究採用分層隨機抽樣法，即按照重點學校和非重點學校，非重點學校又分為較好的學校和較差的學校的標準，在全市中學中隨機抽取300名一線教師，進行實測。
  4. Methods after a general cross - sectional hygienic survey which was carried out by filling in questionnaires, the source water 、 off - work water and pipe water sampled from 20 % subjects which were selected by stratified sampling and simple random sampling were tested

    方法按設定的調查內容，先採用橫斷面現場普查填寫調查表的方法進行衛生學調查，然後按20 %的比例採用分層、隨機抽樣的方法，對水源水、出廠水、末梢水進行檢測。
  5. The study used a stratified random sampling method to look at 2159 junior high school students from 22 schools of 6 counties of northern taiwan, as well as 475 inmates of juvenile correctional institutions ; thus there were a total of 2634 samples

    在幫派入侵校園部分，樣本反映出校內常有幫派分子活動，少數學生反應受到幫派學生的侵害，約有11 %的學生指出，恐懼校內外幫派分子之侵擾。
  6. 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、二部分從低收入家庭學生接受高等教育的背景、必要性等方面做了一般理論與實踐意義的探討；第三、四部分運用分層隨機抽樣的方法，對重慶市五所高校學生受教育機會的現狀進行了調查。
  7. Empirical likelihood method under stratified random sampling using auxiliary information and the information in the strata population size

    在分層抽樣下有效利用輔助信息及含于層總體大小中的信息的經驗似然方法
  8. 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.

    預測時採用了一種比較流行的「四階段模型法」 ，針對「四階段模型法」的出行分佈、交通分配子系統展開了深入的討論，提出了針對重慶山城交通特點的「改進的logit型的隨機路徑選擇模型」和「虛擬公交線路演算法」 。
  9. The survey was completed on the basis of combining stratified sampling and random sampling, collecting 1005 valid samples in total

    調查在分層逐級抽樣法與隨機抽樣法相結合的抽樣基礎完成，共收集有效樣本1005個。
  10. This paper presents a new radiation imaging method - random array stratified imaging

    摘要提出了一種新的分層成像方法：離散陣列分層成像法。
  11. Stratified random smapling

    分層隨機抽樣
  12. The paper analyses the survey data about stratified random sample of 70 villages in shandong province by qualitatively and quantitatively

    摘要20世紀90年代以來，中國農業生產結構發生了巨大的變化，但人們對農戶種植結構調整的主要影響因素有顯著的不同看法。
  13. 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

    第五部分運用分層隨機抽樣的方法，對重慶市主城區幼兒園英語教育現狀進行了調查。
  14. Method three thousand and eighty - sevedn beijing citizens from various areas were selected by using stratified random sampling and were surveyed by the questionnaires

    方法採用多階段分層隨機抽樣的方法，應用自行設計的調查表，調查不同地區的北京市民，共回收有效問卷3087份。
  15. 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

    方法依據2005年第5次全國人口普查資料，在全國進行多階段分層整群抽樣，分別建立城市和農村2套常模。
  16. From psychological activities and levels of ordinary people, we investigate psychological experts and teachers and master degree studentsetc. on what the mantel qualities of college students are. a ccording their answers and some other theories, we organize an initial questionnaire and investigate 800 college students by stratified random sampling

    我們用這份54個題目的大學生心理素質量表對分層隨機抽取的480名大學生進行團體測試，對回收的有效問卷進行信度和效度以及大學生心理素質情況的分析。
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