甘肃河西地区历史遗址分布及其自然环境背景
朱陇强, 王晓云, 刘佳敏, 颉耀文

Distribution and natural environment background of sites in Hexi region,Gansu,China
Longqiang Zhu, Xiaoyun Wang, Jiamin Liu, Yaowen Xie
图6 不同类型遗址点与河流距离
Fig.6 Changes of distance between sites of different types and rivers