大学英语词汇短语释义解析及例句 cluster sampling
释义:
cluster sampling 分组取样;类集抽样;巢式抽样法
例句:
DESIGN: Cluster sampling and stratified analysis.
设计:整群抽样,分层分析。
Method cluster sampling and cross sectional study.
方法整群抽样,横断面调查。
Methods Randomly cluster sampling method was applied.
方法采用整群随机抽样调查方法。
DESIGN: Cluster sampling and cross-sectional investigation.
设计:整群抽样,横断面调查。
DESIGN: Randomized cluster sampling, cross-sectional study.
设计:随机整群抽样,横断面调查。
DESIGN: a stratified random cluster sampling investigation.
设计:分层整群抽样调查。
DESIGN: a cluster sampling and simple randomized sampling survey.
设计:整群抽样与单纯随机抽样。
DESIGN: Random cluster sampling methods and a cross-section survey.
设计:随机整群抽样,横断面调查。
Methods: Data were collected with the method of hospital-based cluster sampling.
方法采用以医院为基础的监测方法收集资料。
Methods: To applied cluster sampling method interview all the village health workers.
方法:采取整群抽样,对安宁市村级卫生服务提供者进行调查。
Methods: Stratified random cluster sampling method was used to determine the survey sample.
方法:以分层随机整群抽样的方法,确定调查样本。
Methods With stratified sampling and cluster sampling, we investigate 487 families in poverty.
方法采用分层整群抽样方法调查487户贫困家庭。
Methods. The survey was conducted according to multi-stage stratified cluster sampling method.
方法:分阶段分层整群随机抽样调查。
Methods With stratified cluster sampling method, 2 519 students were questionnaired in Anhui province.
方法采用分层整群抽样方法,对安徽省2 519名中小学生进行问卷调查。
This paper discusses cluster sampling and stratified cluster sampling in continuous surveys with censuses.
本文讨论了连续调查中应用普查方法时的整群抽样和分层整群抽样。
Methods:Adopt the method of stratified cluster sampling, women were investigated through questionnaire in family.
方法:采用分层整群抽样的方法,对育龄妇女进行入户调查。
Methods The questionnaire survey was conducted among 1 700 college students with stratified-cluster sampling method.
方法采用分层整群抽样方法对暨南大学在校学生1 700名进行问卷调查。
The genetic resources of South Shaanxi white goats are examined with the method of Stratified Random Cluster sampling.
以系统随机整群抽样法对陕南白山羊进行了遗传资源的抽样检测。
Methods Choosing 818 students in a medical university with strata cluster sampling and carrying out a questionnaire survey.
方法:通过分层整群抽样的方法,对某医科大学的818名医学生进行问卷调查。
The methodology adopted is to make relative questionnaire from cluster sampling of all 2008 graduates of the medical school.
方法:自行编制研究生满意度调查问卷,对某高校医学院2008届研究生进行整群抽样调查。
