Throughout the series, you'll build a simple survey system that provides a series of questions, collects the answers, and then provides statistical analysis on the answers.
在本系列文章的学习过程中，您将构建一个简单的问卷调查系统，该系统提供了一系列问题，并收集对这些问题的回答，然后在这些回答的基础上提供统计分析。
It is shown that the statistical data from survey units, which describe the scale of social and economic system, must be approximately subordinate to logarithm normal distribution.
证明在社会经济系统中，反映研究对象规模大小的统计数据近似服从对数正态分布。
Field appraising, questionnaire survey and statistical analysis were employed to testify reliability, validity, and practicability of the performance evaluation system.
使用现场实测法、统计分析、问卷调查法等检验测评体系的信度与效度、实用性。
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