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玉器,是唯一伴随中华民族整个历史时期至今的文物。从新石器时代始,一直沿用了近万年。先因打制工艺粗糙未显其特殊而与石头同被制作工具;后因磨制技术发明凸显其
Jade, is the only heritage with the entire history of the Chinese nation so far. From the beginning of Neolithic, has been used for nearly 10,000 years. The first due to roughing process has not shown its special stone with the same tools are made; after grinding technology to highlight its invention