survey sampling : 抽样调查 foundation of survey sampling : 调查抽样基础 descriptive sampling survey : 描述性抽样调查 ..
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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.
作者以武汉市杨园街的抽样调查结果为基础，研究发现社区就业岗位对求职者有一定的吸引力；
Based on the results of the sampled research from Yangyuan Street in Wuhan City, the study shows that community employment posts hold certain appeal for the job applicants.
在对萝岗实际抽样调查数据分析的基础上，得出萝岗供电局大客户满意度不高的结论，为萝岗供电局未来拓展市场、提高服务质量提供了有效依据。
Based on the analysis of holistic survey data, the paper presents the Big Customer Satisfaction Degree in Guangzhou Luogang Power Supply Bureau is not very high.
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