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检索条件"主题词=evolutional model"
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The Function and evolutional model Research on Tourism E-commerce
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Chinese Business Review 2007年 第1期6卷 65-68页
作者: DENG Zhong-chun School of Management Huazhong University of Science and Technology Wuhan 430074 China
Tourism E-commerce in the tourism long-term development of tourism, plays an important industry, as the application function on its own for the role in E-commerce, and the E-commerce tourism site as a tourist carder a... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Hydrogen and Oxygen Isotope Fractionation Mechanism in the Hydrothermal System and Its Geologic Significance
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Acta Geologica Sinica(English Edition) 1992年 第4期66卷 397-409页
作者: Chen Zhensheng Zhang Ligang Yichang Institute of Geology and Mineral Resources, Chinese Academy of Geological Sciences, Yichang, Hubei Jiang Minxi Yichang Institute of Geology and Mineral Resources Chinese Academy of Geological Sciences Yichang Hubei
The geochemical behaviors of hydrogen and oxygen isotopes in the hydrothermal system and their inher-ent relationship with the water / rock exchange are discussed in this paper In addition to the temperature con-ditio... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论