| 单词 | stratified sampling |
| 释义 | 例句释义: 分层抽样,分层抽样法,分层取样,分层随机抽样 1. 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。 tjyj.stats.gov.cn 2. Stratified sampling was conducted by county to capture rats, and to sort out flea for identification of their genus and species. 以县为单位分层抽样设点捕获鼠类，并从鼠体检取蚤类，鉴定鼠、蚤种属。 www.ilib.cn 3. Methods An anonymous survey was conducted among 502 students from a technical college selected by stratified sampling and cluster sampling. 方法采用分层整群抽样的方法对一所职业技术学院的502名学生进行匿名式问卷调查。 www.chemyq.com 4. Methods Stratified sampling and random sampling were adopted together. Questionnaire survey was conducted among 570 rural women. 方法采取分层随机抽样相结合方法，对570名妇女进行问卷调查。 www.ceps.com.tw 5. Methods Married women aged below 50 years from local areas were interviewed using a questionnaire by multi-stage stratified sampling method. 方法采取整群抽样方法，对当地50岁以下已婚妇女382人进行问卷调查。 www.ceps.com.tw 6. METHODS An investigation was made by cluster and stratified sampling method. 方法采用多阶段分层整群抽样方法入户调查。 www.chemyq.com 7. 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。 www.chemyq.com 8. Methods: With the multistage stratified sampling, we randomly selected 400 normal children and 25 autism children as study samples. 方法采用多阶段分层随机抽样方法，选取了400例正常儿童和25例孤独症儿童为研究对象。 www.boshuo.net 9. Methods: A large-scale survey was conducted at 250 medical health units baaed on stratified sampling. 方法使用分层抽样的方法在全国范围内抽取250家医疗机构开展大规模调查。 www.ceps.com.tw 10. Methods Using cross-sectional study, 1 390 residents aged 35~74 were selected with age-stratified sampling. 方法采用现况研究，用分层抽样的方法抽取年龄在35-74岁的居民进行调查。 www.ceps.com.tw 1. Stratified sampling analysis of constructions of food and iodine absorption contents among the islander in Zhejiang Province 浙江省海岛居民膳食结构与碘摄入量抽样调查分析 www.ilib.cn 2. Application of Stratified Sampling Method to the Monitoring of Soil and Water Erosion in the Land Conversion to Forest Program 分层抽样法在退耕还林工程水土流失监测中的应用 www.ilib.cn 3. A Model-calibration Approach to Using Complete Auxiliary Information from Stratified Sampling Survey Data 利用分层抽样数据中完全辅助信息的模型校正方法 www.ilib.cn 4. Separate Product Estimator and Combined Product Estimator Und er Stratified Sampling 分层抽样下的分别乘积估计和联合乘积估计 service.ilib.cn 5. Compare and Analyse Between Systematic Sampling and Stratified Sampling 系统抽样与分层抽样的比较分析 www.ilib.cn 6. Mental health levels in university students: stratified sampling study 普通高校大学生的心理健康水平：分层抽样调查 www.ilib.cn 7. Air quality; stratified sampling method for assessment of ambient air quality 空气质量.环境空气质量评定用分层取样法 www.mapeng.net 8. Throughput measurement technique for high-speed network based on stratified sampling 基于分层抽样的高速网络吞吐率测量 www.ilib.cn 9. The Method of Mixed two-phase Stratified Sampling in Market Research 市场调研中的混合双重分层抽样方法 service.ilib.cn 10. On the efficiency of stratified sampling frames 分层抽样框效率 www.ilib.cn 1. METHOD: Mornitoring 20 587 children under the 5-years old in the 10 townships of 4 counties with stratified sampling method. 方法：采取分层抽样方法，在全市4个县10个乡（镇）共20587人口范围内进行5岁以下儿童死亡监测。 www.chemyq.com 2. The Method for Stratified Sampling Control of Total Standing Volume Stock based on RS and GIS 基于RS、GIS的呈贡县总体活立木蓄积量分层抽样控制方法 www.ilib.cn 3. Paddy rice area estimation using a stratified sampling method with remote sensing in China 基于分层抽样的中国水稻种植面积遥感调查方法研究 www.ilib.cn |
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