山西下川遗址和丁村遗址群7701地点均发现旧石器时代晚期的典型细石器。到旧石器时代晚期,同时存在细石器技术传统的产品。
The typical microlithic remains were unearthed from the Xiachuan site and Loc . 7701 of the Dingcun site . The microlithic tool tradition appeared in the late paleolithic period .