Take grindes the stone implement as the outstanding feature Neolithic Age, the processing jade technology is the same.
以磨制石器为主要标志的新石器时代，加工玉石器的技术是相同的。
In Hongshan culture also has some rough cast stone implement and the jade, that USES for the tool which produces and the life USES.
红山文化中也有一些粗制的石器和玉件，那是用来生产和生活用的工具。
In Hongshan culture also has some rough cast stone implement and the jade, that USES for the tool which produces and the life USES.
红山文化中也有一些粗制的石器和玉件，那是用来生产和生活用的工具。
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