stratified sampling
英 [ˈstrætɪfaɪd ˈsɑːmplɪŋ]
美 [ˈstrætɪfaɪd ˈsæmplɪŋ]
分层抽样
双语例句
- As the sampling survey is stratified sampling, so the research of the sample rotation is under the stratified sampling.
由于该抽样调查采取的是分层抽样，因此相应地用分层抽样下的样本轮换研究。 - Stratified sampling method for assessment of ambient air quality
环境空气质量评定用分层取样法 - Gains from proportionate stratified sampling
按比例分层抽样的得益 - Inaccuracies in the present proportionate stratified sampling algorithm based on fuzzy failure rate data is one main cause which makes the testability demonstration results untrustworthy.
现有的分层抽样算法中故障率数据不准确是导致测试性验证试验结果不可信的一个原因。 - An Inquiry into Annual Updating of NFI Data under Stratified Sampling
分层抽样下的森林资源清查数据年度更新探讨 - Sample papers on data flow, including density-based sampling, stratified sampling and other dynamic.
关于数据流抽样的论文，包括基于密度的抽样，动态分层抽样等。 - The Method of Mixed two-phase Stratified Sampling in Market Research; Methods Stratified chester random sampling.
市场调研中的混合双重分层抽样方法方法采用分层整群随机抽样的调查方法。 - If the above-mentioned conditions can be improved, the efficiencies of the stratified sampling and the ranked set sampling are quite higher than that of the simple random sampling.
如果能够改善分析技术与多建置前置资讯，分层采样与排序组合将较简单随机采样节省大量采样经费。 - In this study, stratified sampling is used to select samples in Gansu Province.
本研究采用分层抽样的方法，在甘肃省四个县进行调查和分析。 - Modal parameters identification for short data sequences based on stratified sampling and optimism complex Morlet wavelet
用分层抽样和复Morlet小波识别短样本模态参数 - Stratified sampling can reduce the sampling error associated with simple random samples.
分层抽样可以减少由简单随机抽样造成的抽样误差。 - Methods Middle School students in Jiangsu Rural Areas were investigated with SCL-90 by stratified sampling.
方法随机分层整群抽样的方法，应用症状自评量表（SCL-90）对江苏省农村中学进行调查测评。 - Methods The randomly stratified sampling and 1 ∶ 1 conditional matched pair were used to select subjects.
方法采用随机分层取样加1∶1条件配对法确定样本。 - This theory was verified by the experiment of stratified sampling for chemical analysis of silicon carbide material.
应用碳化硅物料的分层取样实验对该理论进行了验证，提出了最佳取样方案。 - Methods Randomly cluster stratified sampling was taken in family questionnaire survey covering 21 districts of Shanghai residents.
方法采取随机整群分层抽样方法，通过入户问卷调查，调查上海市区（县）21所社区卫生服务中心居民慢性病中医医疗现状。 - Methods: The stratified sampling and cluster random sampling methods are used in this survey.
方法：本研究采用分层随机抽样方法和整群随机抽样方法。 - [ Method] Cluster and stratified sampling survey was adopted from 310 students in medicine college.
[方法]选择医学院大专的学生，采用整群抽样和分层抽样方法，抽取一年级4个班和二年级4个班学生310人进行问卷调查。 - Methods The questionnaire survey was carried out in four cities, the rural residents and two especially big type state-own enterprise staff in Liaoning Province with the stochastic stratified sampling.
方法采用随机分层抽样，对辽宁省4个大、中、小城市和农村居民及2个特大型国有企业职工进行问卷调查。 - Stratification is one of the key techniques in stratified sampling investigation and monitoring using remotely sensed data.
分层技术是遥感分层抽样调查与监测方法中的关键技术之一。 - The paper proposes Latin sampling combined with the stratified sampling of variance reduction technique to calculate accurate fracture probability.
提出了Latin抽样与分层抽样相结合的复合抽样方法，对于提高抽样精度和效率都有较为明显的作用，特别适用于结构裂纹概率的仿真和其它应用工程仿真计算。 - Accurately grasping the structure of studying object is the premise for stratified sampling to obtain accurate and pre-cise assessment.
准确把握研究对象的组成结构，是分层抽样获得准确和精确评估结果的前提。 - This study uses methods of stratified sampling and content analysis.
论文主要采用了分层、分类的研究方法以及内容分析法。 - It shows that this stratified sampling method not only greatly reduces the workload in computation, but also keeps the statistical characters and topological structure in practical application.
实证表明，该思想和方法在实际网络的应用和研究中，能够很大程度减少计算的工作量，同时很大程度上保证了网络的统计特征和拓扑结构。 - Thirdly, we obtain the comparison conclusion of multi-objective stratified sampling and simple random sampling error.
三.本文得出了多目标分层抽样与简单随机抽样误差比较的结论。 - This paper mainly uses questionnaires to institutions by stratified sampling method and selected the municipal and provincial four public hospital staff in Shijiazhuang to question and data collect.
本文主要运用问卷调查的实证方法，以事业单位为例，采取分层抽样的方法，选择了石家庄市级和省级共四家公立医院的员工进行问卷发放和数据收集。 - Statistical error can be achieved by stratified sampling method.
统计误差可以通过分层抽样的方法达到。 - Also divided into control variables technique, the dual variable technology, based on importance sampling and stratified sampling, Latin Hypercube techniques.
具体又分为控制变量技术、对偶变量技术、重要抽样和分层抽样基础、拉丁超立方技术。 - We Used cluster stratified sampling, interviews and other methods had detailed to survey on status of Wuhan City Community Health Service Information System to find out problems and bottlenecks of system process.
采用整群分层抽样和访谈等方法对武汉市社区卫生服务信息系统的现状进行了详细的调查研究，找出系统流程中存在的问题和瓶颈。
英英释义
noun
- the population is divided into subpopulations (strata) and random samples are taken of each stratum