quota sampling

基本解释

Objective To improve quota-sampling precision and reproducibility of the impedance blood rheometer.
目的：改進電阻抗血液流變儀定量進樣的精確度和重複性。
Method Purpose sampling combined with quota sampling were adopted, and the data of nursing quality assessment standards of 17 hospitals in China were obtained and analyzed.
結果各毉院評價標準所涉及的評價指標不盡相同，同一指標的評價標準條目設立、權重設定差異均較大，且尚無統一的計分方法。
Methods Through quota sampling, a total of 1280 migrants were recruited from 6 different venues where migrants were most likely employed to administer a face-to-face anonymous interview.
方法採用配額抽樣的方法，在市場、飯店、賓館等流動人口較爲集中的6類工作場所裡招募外來務工人員1280名，進行匿名問卷調查。

Using old-style quota sampling Gallup's polls had shown a Labour lead of 37 points.
ECONOMIST: Why the polls got it wrong last time
All the polling firms selected their samples using a technique known as quota sampling.
ECONOMIST: Why the polls got it wrong last time
The difference this new method can make was dramatically illustrated in January when Gallup made its switch from quota sampling.
ECONOMIST: Why the polls got it wrong last time

a method of conducting marketing research in which the sample is selected according to a quota-system based on such factors as age, sex, social class, etc

配額抽樣
A questionnaire survey was carried on among the Hangzhou private vehicle owners by quota sampling, in addition to individual interviews.
在實証方麪，筆者以配額抽樣的方式在杭州市區對私家車主進行了問卷調查和個別訪談。
配額任選抽樣
定額抽樣