• the northern song dynasty and the tangut fight - 引用次数：2

  Second: Elaborated The Northern Song Dynasty and the tangut fight historicalperspective as well as the Northern Song Dynasty loess plateau area ecological environment condition.

  二、阐述了宋夏战争的历史背景以及北宋黄土高原地区的生态环境状况。

  参考来源 - 宋夏战争与黄土高原地区生态环境关系研究
  the war between beisong dynasty and xixia dynasty - 引用次数：1

  参考来源 - 范仲淹主持庆州事略考
  thewar between sung and xia - 引用次数：1

  参考来源 - 韩琦与北宋中期政治
• the northern song dynasty and the tangut fight - 引用次数：2

  Second: Elaborated The Northern Song Dynasty and the tangut fight historicalperspective as well as the Northern Song Dynasty loess plateau area ecological environment condition.

  二、阐述了宋夏战争的历史背景以及北宋黄土高原地区的生态环境状况。

  参考来源 - 宋夏战争与黄土高原地区生态环境关系研究

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