quota sampling

常见例句

Objective To improve quota-sampling precision and reproducibility of the impedance blood rheometer.
目的：改进电阻抗血液流变仪定量进样的精确度和重复性。
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.
结果各医院评价标准所涉及的评价指标不尽相同，同一指标的评价标准条目设立、权重设定差异均较大，且尚无统一的计分方法。
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.
方法采用配额抽样的方法，在市场、饭店、宾馆等流动人口较为集中的6类工作场所里招募外来务工人员1280名，进行匿名问卷调查。

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