摘 要: | Throughout human history,our ancestors invari- ably chose stones as their primarily material to be pro- cessed and utilized as tools.Since the dawn of this his- tory when stone tools came into use,stone has been closely related to the development of mankind,the creation of human civilization and the constant progress of human society.A chipped scraper or a pol- ished stone axe can both relate and represent two dif-
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