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.
论文运用文献法和调查法，选取苏州市的两所高职院校为样本，通过方便抽样发放问卷。
The methods of this thesis are literature and survey. The author selected two Suzhou Vocational Colleges as a sample through convenience sampling questionnaire.
调查内容包括研究对象选择、随机化方法、盲法、组间可比性、样本大小、依从性、统计学处理、疗效评价指标、随访和不良事件观察等。
The subject choice, randomized method, blind method, intra-group comparison, sample, compliance, statistical method, therapeutic effect assessment index, survey and side effects were observed.
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.
方法问卷法、跨文化比较法及随机抽样调查，按各村18岁至45岁人口比例抽取样本。
Methods Applying answering questionnaires, contrasting cross culture and getting the sample at random. Then we chose each village came from 18 to 45 year-old sample.
方法对采用综合指数法抽取的16所样本中医院用观察法实地调查。
Methods Field observation and survey in the 16 sample hospitals chosen by the means of comprehensive index evaluation.
其次利用问卷调查的实证分析方法获得了样本数据，借助SPSS13.0，利用相关分析和回归分析法对样本数据进行处理。
An empirical study has been carried out to gather survey data from enterprises. Survey data has been processed by correlation analysis and regression analysis with the aid of software SPSS13.0.
其次利用问卷调查的实证分析方法获得了样本数据，借助SPSS13.0，利用相关分析和回归分析法对样本数据进行处理。
An empirical study has been carried out to gather survey data from enterprises. Survey data has been processed by correlation analysis and regression analysis with the aid of software SPSS13.0.
应用推荐