健康议题研究者可以采用本篇系统性回顾认定有效的策略﹐以增加邮寄问卷回复率。

Health researchers using postal and electronic questionnaires can increase response using the strategies shown to be effective in this systematic review.

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在该研究中，通过全国性抽样调查，他们每年随机选定5000名芬兰人邮寄问卷收集自我报告的饮酒情况。

In this study, self-reported drinking was collected through a nationally representative survey mailed annually to 5, 000 randomly selected Finnish citizens.

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[摘要]通过邮寄问卷的形式，对我国建筑市场的信用现状和诚信信息平台的运行状况进行了调查。

Abstract: By using mailed questionnaires, this paper investigates the credit situation of China's construction market and the operational state of credit information platform.

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