quota sampling

常見例句

Objective To improve quota-sampling precision and reproducibility of the impedance blood rheometer.
目的：改進(jìn)電阻抗血液流變儀定量進(jìn)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(jié)果各毉院評價標(biāo)準(zhǔn)所涉及的評價指標(biāo)不盡相同，同一指標(biāo)的評價標(biāo)準(zhǔn)條目設(shè)立、權(quán)重設(shè)定差異均較大，且尚無統(tǒng)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(wèi)集中的6類工作場所裡招募外來務(wù)工人員1280名，進(jìn)行匿名問卷調(diào)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