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3 遗址点的平均海拔
Fig.3 Average elevation variation map of sites