方法采用随机抽样的方法调查1021例患者。

Methods Making research on 1021 patients by random sampling.

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方法：以分层随机整群抽样的方法，确定调查样本。

Methods: Stratified random cluster sampling method was used to determine the survey sample.

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方法采用分层随机抽样的方法以问卷的形式进行调查。

METHODS Questionnaire survey is stratified and random sampling method in the form.

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I don't know how to make this point any clearer than to share with you a sampling of the student evaluations.

最能让这个问题明了的方法是,和你们分享一些学生们的评估抽样。

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