You can see four of 177 categories of information that can appear in such a document, including the authors of the study and the experimental method (<PDBx:exptlCategory>) used.
您可以看到可出现在这个文档中的 177 个类别中的四个类别，包含研究的作者以及所使用的实验方法 (<PDBx:exptlCategory>)。
By the method of document, questionnaire and statistics, authors study on the English training for the Snowboarding, Biathlon and Ice Hockey volunteers of 2009 Winter Universiade.
采用文献资料法、问卷调查法和数据统计法对2009年大冬会单板滑雪、冬季两项和冰球志愿者英语培训进行研究。
By the method of document consultation, this paper elaborates on the study of themovement harmoniousness of the juveniles in China.
采用文献资料查阅法，对我国关于少年儿童动作协调能力的研究进行了综述。
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