常识“碰砧法”是什么意思，起源、典故、生平简介及释义-历史文化

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常识	碰砧法
释义	碰砧法又称摔砸法。石器时代打制石器的方法。是直接打制法的一种。产生于旧石器时代早期，是将选做石料的石块，向另一比较大的石块即石砧上碰击，剥落下来的石片，用以加工作为工具。
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