方法采用多级随机抽样法。
Methods Stratified random group sampling was adopted in survey.
方法：采用随机抽样法。
方法：(1)抽样方法：采用多级随机抽样法。
Methods: (1) sampling method: Apply multilevel and random sampling method.
方法：采用随机抽样法对妇科恶性肿瘤病人进行问卷调查。
Methods: the questionnaire survey in these patients with gynecological malignant tumor sampled by random was performed.
方法采取随机抽样法对58例术前癌症患者进行问卷调查。
Methods Data were collected from 58 convenient samples of patients before surgery.
方法采用随机抽样法对100名监狱基层男性警察进行问卷调查。
Methods Using immediately sampling questionnaire survey to the 100 prison basic-level male police.
我们采用随机抽样法，对青岛化工学院校园英语电台进行了调查。
This article focuses on the analysis of a random survey which is based on The Voice of Campus(VOC) of Qingdao Institute of Chemical Technology.
采用多阶段分层随机抽样法对2岁以下儿童进行疾病状况询问调查。
Multistage stratified random sampling was conducted an interview survey in status of illness for children under 2 years old.
方法采用分层多阶段随机抽样法，获取样本。并采取问卷的形式进行调查。
Methods Multistage sampling and stratified sampling were used and information was gathered by interview with questionnaires.
采用分层随机抽样法对长武王东沟小流域农业产业结构现状进行了调查分析。
This report analyzed the agricultural industry structure of Wangdonggou watershed in Changwu county based on investigation.
定义和应用确保数据准确和完整的技巧，如随机抽样法、分层抽样法、样本同质性等。
Define and apply techniques for assuring data accuracy and integrity such as random sampling, stratified sampling, sample homogeneity, etc.
调查在分层逐级抽样法与随机抽样法相结合的抽样基础完成，共收集有效样本1005个。
The survey was completed on the basis of combining stratified sampling and random sampling, collecting 1005 valid samples in total.
具体介绍了砼强度检测抽样的几种方法：现行规程抽样法；简单随机抽样法；分层抽样法。
This paper introduced several methods about the concrete strength inspection: the sampling method given by the present specification; simple random sampling without replacement; stratified sampling.
方法采用随机抽样法在全县抽取35个自然村为调查点，每个调查点随机抽取35户居民作为调查对象。
Methods A total sampled population of 3308 from 35 selected spots in Eryuan County by random sampling were investigated.
在一系列不同的极限状态函数条件下，对随机抽样法和拉丁超立方抽样法以及是否使用方差减缩技术进行了比较研究。
Comparative study on random sampling and Latin hypercube sampling with and without variance reduction techniques is carried out to a number of different limit state functions.
方法：用分层随机抽样法确定调查点。 用尼龙袋集卵孵化法、顶管孵化法分别对人畜进行查病，用系统抽样结合环境抽样法开展螺情调查。
Methods: Using stratified sampling method to determine the survey places, The schistosomiasis in people and livestock were surveyed by the methods of nylon bag incubation and top - tube incubation.
为了减少随机抽样的次数并保证蒙特卡罗法的数值模拟精度，对比引入了重要抽样法和拉丁超立方体抽样方法；
To reduce sampling number and assure simulation precision, Importance Sampling method and Latin Hypercube Sampling method are coupled with Neumann expansion SFEM respectively.
为了减少随机抽样的次数并保证蒙特卡罗法的数值模拟精度，对比引入了重要抽样法和拉丁超立方体抽样方法；
To reduce sampling number and assure simulation precision, Importance Sampling method and Latin Hypercube Sampling method are coupled with Neumann expansion SFEM respectively.
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