...出土的若干打击骨器 Some chipped bone2tools from Central2North China 1 尖状器( Point) , 2 尖状器( Point) , 3 雕刻器(Burin) , 4 双刃刮削器(Double2edged scraper) , 5 单刃刮削器(Single2edged scraper) , 6 圆刃刮削器(Circle2edged scraper) , 7 三棱...
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石制品中有典型的楔形、船底形石核；工具有长身圆头刮削器、雕刻器和锛形器等。
Among them boat or cuneiformed cores and stone tools such as long scrapers with round edges, engravers and adze-shaped blades are found largely.
成熟的石器工艺技术加工出典型的端刮器、琢背刀、石镞与雕刻器等典型的细石器组合。
The mature craftsmanship of stone tools also generates typical microlith assemblage such as scrappers, daggers, stone arrowheads and engraving tools.
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