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。
The typical microlithic remains were unearthed from the Xiachuan site and Loc. 7701 of the Dingcun site.
到旧石器时代晚期，同时存在细石器技术传统的产品。
The microlithic tool tradition appeared in the late paleolithic period.
到旧石器时代晚期，同时存在细石器技术传统的产品。
The microlithic tool tradition appeared in the late paleolithic period.
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