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类似的石圈在旧石器时代早期和晚期都曾发现。
Similar stone circles are found throughout the upper and lower paleolithic.
youdao
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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.
youdao
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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.
youdao