青海省哈拉湖地区的三叠系
The Triassic system of Hala Lake area , Qinghai Province
结果表明,近年来祁连山哈拉湖面积呈逐渐扩大趋势,大、小苏干湖面积变化稳定;
The results show that the Har Lake in higher west part of the Qilian Mountains is expanding ;