“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	scalar potential scalar product scalar quantity scalar quark scalar quark, squark scalar relativistic effect scalar restriction scalar spectral index scalar susceptibility scalar system scalar system of equations scalar tensor scalar-tensor gravity scalar-tensor theory scalar-tensor theory of gravity scalar triple product scalar-type scalar-valued scalar-valued function scalar-valued mapping scalar variable scalar virial theorem scalar wave theory Scala Sancta Scala语言

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