该研究突出反映了在代表性研究中如何“验证”一项技术的问题，这可能比筛查人群和适于调查更具有代表性。
This study highlights the problem of "validating" a technique in a cross-sectional study that may be more representative of a screening population and appropriate to investigate.
接着，本研究对什么是“更具吸引力的教学”做了概念界定，并从动机激发角度指出如何设计更具吸引力的教学。
Secondly, this article gave a definition of what is"more appealing instruction"and pointed out how to design this kind of instruction from the point of view of motivation.
接着，本研究对什么是“更具吸引力的教学”做了概念界定，并从动机激发角度指出如何设计更具吸引力的教学。
Secondly, this article gave a definition of what is"more appealing instruction"and pointed out how to design this kind of instruction from the point of view of motivation.
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