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1990年7月作者之一在西距青藏公路200余公里的可可西里地区乌兰乌拉湖南部考察时,发现了一批人工打制的石器标本,现将初步研究成果报道如下.1 石器发现地点概况
In July 1990, one of the authors found a group of artifact-made stone specimens during the inspection of the southern Wulanhu Lake in the Hoh Xil region of over 200 kilometers along the Qinghai-Tibet Highway in the west. The preliminary research results are reported below.