制造与工艺 / Manufacturing and Processes
打制石器
Chipped stone tool打制石器（Stone tools）是物理设备层中的真实知识点；参考资料将其年代记为公元前 300000 年。
- Knowledge type
- 物理设备
- First proposed or discovered
- -300000
- Proposer
- 历史记录与科学共同体
- Creator
- Polytech Tree dataset
- Last updated
- 2026-10-12 07:25:30
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Main parameters and performance indicators
重要度：1参考分类：制造与工艺
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Related literature
ranked by community starshttps://en.wikipedia.org/wiki/Stone_toolOpen source
https://github.com/secwind7/polytech-treeOpen source
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