通过文献资料和问卷调查的研究方法，对陇南地区中学生的体育锻炼动机与行为进行分析探讨。

By means of literature datum and research means, the intention of physical training of middle school student in south Gansu Province.

youdao

方法：通过回顾文献对耳鸣发生的病理变化进行分析。

Method: through revising classical documents, analyze the etiology and pathology of tinnitus.

youdao

本文通过文献整理的方法，探讨其学术渊薮，归纳其学术特点。

This article discusses its academic origin and induces its academic character by the way of arrangement of document.

youdao