“director hammer percussion”的概念、定义、翻译、参考文献-科学参考

单词	director hammer percussion
释义	director hammer percussion Encyclopedia 历史学旧石器时代考古释 director hammer percussion锤击法旧石器时代最为普遍的生产和修理石制品的方法，直接锤击目标以修型或剥片。
随便看	formale copper wire formal education formal equivalence formal error formal estimator formal ethics formal evaluation formal expansion formal fiber formal function Formal Garden formal geometry formal germ formal grammar formal group formal group law formal implication formal implicit function formalin formal incentives formal inference formal information communication formal institution formal institutional changes formal integrability

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