基于斜坡球体理论的旅游安全下滑力研究

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1674-5841|volume|3|40-45

ISSN: 1674-5841

Source: 旅游研究, Vol.volume, Iss.3, 2015-01, pp. : 40-45

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Abstract