DESIGN: a randomized sampling survey.
设计:随机抽样调查。
DESIGN: a simple random sampling survey.
设计:简单随机抽样调查。
Source: National Nutrition Sampling Survey in 1992.
资料来源:1992年全国营养抽样调查。
DESIGN: a cluster sampling and simple randomized sampling survey.
设计:整群抽样与单纯随机抽样。
Method: Using simple random sampling survey and non-structured interviews.
方法:简单随机抽样问卷调查和非结构式访谈。
After perfect questionnaire we get performance data by a large sampling survey.
根据评价结果完善问卷并进行大样本调查,得到绩效数据。
Source: Retrospective Sampling Survey on Malignant Tumor in China from 2004 to 2005.
资料来源:2004 - 2005年中国恶性肿瘤死亡抽样回顾调查。
Two kinds of questionnaire and single testing model were used to conduct a random sampling survey.
由椿游路线组成两类问卷,并采用单一测试模型抽样调查。
The membership function of the fuzzy subsets can be actually obtained witha sampling survey method.
用抽样试验的方法实际求取模糊子集的从属函数。
As one of the difficult items in sampling survey, nonresponse directly affects the precision of the survey.
无回答问题是抽样调查中的难点之一,它的出现直接影响着估计的精度。
In communications and transportation circumstances survey, the method of sampling survey was used regularly.
在交通运输情况调查中,经常采用抽样调查的方法。
The current situation of mass sports instructors in China was investigated based on a national sampling survey.
采用抽样调查方法,对我国社会体育指导员现状进行研究。
Method A multi-stage stratified cluster sampling survey on health condition of 14486 residents was taken in 2007.
方法:采用多阶段分层整群抽样方法,对2007年居民家庭健康状况入户调查,共调查14 486人。
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。
Objective To analyze and evaluate the result of 4 times tuberculosis epidemiological sampling survey in Hunan Province.
目的从湖南省四次结核病流行病学抽样调查(流调)结果分析和评价我省结核病控制工作质量。
The method for retaining sampled units in successive sampling survey for changed probability of selection is introduced.
介绍了连续抽样中概率发生变化时保留样本的方法。
Sample complementing is the practical demand of sampling survey, and its also a difficult problem in sampling technology.
样本追加是抽样调查的现实需求,也是一个抽样技术难题。
This paper studies the second stage sampling methods used in the two stage sampling survey for waterway transportation volume.
研究了采用二阶抽样对水路运输量进行抽样调查时的第二阶抽样方法。
The question of the best rate of the sample book's rotation in the sampling survey of forestry information material is arisen.
提出了在林业信息资料的抽样调查中、最优样本轮换率的问题。
Methods: A pair-matched case-control study was conducted with data on the sampling survey of HBP in Binjiang Hospitol from 1994 to 1996.
方法:利用天津市滨江医院内科门诊高血压抽样调查资料进行病例对照研究。
Using data from Beijing 1995 one percent population sampling survey, this paper prepares a decomposition analysis of household size by marital status.
本文根据北京市1995年1%人口抽样调查原始数据,对北京市家庭户规模进行了不同婚姻状况人口的分解分析。
AIM: to set up statistical methods for calculation of intensity of schistosome infection in residents in nationwide sampling survey of schistosomiasis.
目的:为全国血吸虫病抽样调查居民血吸虫感染度的总体参数建立统计学方法。
Methods Complying with the united plan of medical survey nationwide, we combined sampling survey in various layers with general survey and typical survey.
方法遵照全国医疗照射调查的统一方案,采用分层抽样调查、普查和典型调查相结合。
The population sampling survey, conducted by Shanghai Municipal Statistics Bureau, reveals a rapid rise in the size of the unmarried population, especially women.
上海市统计局开展的一项人口抽样调查显示,上海未婚人口数量正在迅速上升,尤其是未婚女性数量。
Methods: 1. Object: We had a sampling survey in 6 counties, which were Lufeng, Mengzi, Huize, Yulong, Longling and Luxi, according to the raise money model.
方法:1.研究对象:根据筹资方式的不同,我们选取了6个试点县进行了研究,包括禄丰县、蒙自县、会泽县、玉龙县、龙陵县及潞西市。
Methods: Census method and sampling survey method were both used to investigate the related data of the second-class large medical equipments in Henan province.
方法:采用普查法和抽样调查法相结合,对河南省乙类大型医用设备的相关资料进行了调查。
Distribution rule of the arbor in different diametric class was investigated by sampling survey and statistical analysis, then expanded to the whole area in Beijing.
而树种实有植株径阶分布状况,则通过抽样调查、统计分析得到样本径阶分布规律,再将该规律扩展到北京城区乔木实有植株。
Based on the sampling survey data to farmers, this paper analyzes, by logit model, the impacts on the migration decisions of rural laborers from metropolitan suburbs.
依据农户抽样调查数据,运用逻辑回归模型,对特大城市郊区农村劳动力迁移决策的主要影响因素进行分析。
Based on the sampling survey data to farmers, this paper analyzes, by logit model, the impacts on the migration decisions of rural laborers from metropolitan suburbs.
依据农户抽样调查数据,运用逻辑回归模型,对特大城市郊区农村劳动力迁移决策的主要影响因素进行分析。
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