青藏高原史前时期交流路线及其演变
侯光良, 兰措卓玛, 朱燕, 庞龙辉

Communication route and its evolution on the Qinghai-Tibet Plateau during the prehistoric time
HOU Guangliang, , ZHU Yan, PANG Longhui
图4 青铜时代最低成本—多点间联通累积循环过程图
Fig. 4 Minimum cost-multipoint interconnection cumulative cycle process diagram in the Bronze Age