group sampling
英 [ɡruːp ˈsɑːmplɪŋ]
美 [ɡruːp ˈsæmplɪŋ]
分层（组）抽样
双语例句
- In this paper it not only gives the method of unequal probability in group sampling and unbiassedness of mean estimation and also gives the variance and its unbiassedness of estimation.
本文给出了集团抽样的不等概方法和均值的无偏估计，同时也给出了这种估计的方差及方差的无偏估计。 - Fixed group in the sampling on the sport experimental research can use nested design.
认为体育实验研究中的固定团体取样可选用嵌套实验设计； - A Method Based on the Group of Sampling lines for Local Ridge Period Estimation in Fingerprint Image
一种基于采样直线组的局部纹线周期估计方法 - The testing results showed significant differences between the multiple-spot sampling group and the normal sampling group by t-test ( P < 0.01) and the effect of the form was better than that of the latter.
多点布控组与常规布控组监测结果经t检验，有显著性差异（P<0.01）。多点布控采样效果优于常规布控组。 - [ Methods] The interviews were divided into 4 groups ( 3 intervention groups and 1 control group) by cluster multistage sampling.
[方法]逐级整群抽样选定4组人群，3个干预组和1个对照组。 - ELES is highly applicable in that it can obtain relevant results by means of analyzing statistical group data based on sampling surveys.
ELES借助一般抽样调查的统计分组数据即可得到具体分析结果，具有较强的实用性。 - Based on group random sampling, the research investigated junior high school students of two junior high schools in Dezhou with the scales for state-trait anxiety, perceived classroom achievement goal and personal achievement goal orientation.
本研究采用整群随机抽样法，运用状态一特质焦虑量表、班级成就目标知觉量表和个人成就目标定向量表对德州市两所中学的初中生进行了问卷调查，共收回有效问卷369份。 - Estimate of Mean with Its Character in Method of Unequal Probability in Group Sampling
集团抽样不等概方法的均值估计及其性质 - Methods By using the group sampling, STDS/ AIDS knowledge lecture was carried in the middle-school students, and the propaganda materials and other education forms and the self-made investigation papers were given before and after the education.
方法采用整群抽样调查，对中学生进行性病/艾滋病知识讲座、发放宣传资料等教育形式，并下发自制调查问卷获取干预前、后的资料。 - This paper studys the group sampling inspection, introduces single sampling and double sampling, and gives the method of choosing sample size and critical value.
提出了对不合格率低的产品进行集团检验方法，提出了一次抽样、二次抽样的检验方法，并对样本量和临界值的选取方法进行了分析。 - METHODS children from 0 to 6 year old were divided into the collective residences group and the scattered residences group with random sampling way, and the incidences were listed and analysied.
方法采用随机抽样方法将辖区0～6岁儿童分成集体和散居两组，发病率列表分析。 - Methods: Combining group sampling of collecting investigation with inviting family separately were used.
方法：采用整群抽样集中调查与分散家访相结合的方式，对我市昆区、青山区11080例0～14岁儿童进行了哮喘流行病学调查。 - Methods Evaluations of cost-benefit for one group repeated sampling data and pairing design of repeated sampling have been explored.
方法探讨单组重复采样设计及配对重复采样设计的成本效益评价。 - The 4th group underwent the other side blood sampling in vein, 1h later after the finish of transfusion.
第4组输液完后1h异侧肘窝采血。 - The subjects are selected from different gender, age and occupation group through the method of judgment sampling for the study. DCT questionnaire data are collected from 120 native Chinese speakers and 60 native English speakers.
笔者以判断抽样的方法选取来自不同性别、年龄和职业背景的120名汉语母语者和60名英语母语者参与了问卷调查。 - Digital elevation model can be described to simulate the terrain surface by the limited number of terrain elevation. The terrain surface can be expressed by a group of sampling points.
数字高程模型是通过有限的地形高程数据实现对地形曲面的数字化模拟，也就是说，地形表面被一组相互组织在一起的地形采样点所表达。 - After experiment, 6 broilers were selected from 6 repeating groups in each treatment group to Slaughter sampling.
试验结束后，在每个处理组的6个重复组中抽取6只肉鸡进行屠宰取样。 - Method 810 students were investigated with Parental control questionnaire which was developed for the first time and Parent-Adolescent Cohesion questionnaire by group sampling.
方法采取分层抽样法抽取福州地区初一到高三学生810名，选用自编的《中学生父母控制问卷》和《亲子亲合问卷》进行调查。 - Coronary artery disease group and control group were matched for age, sex and sampling time.
病例组和对照组在年龄、性别及样本采集时间上均匹配。