“stone tools”的概念、定义、翻译、参考文献-科学参考

单词	stone tools
释义	stone tools Encyclopedia 理学〔手工工具史〕释 stone tools石质工具全部或部分由石材制成的工具。
随便看	covariant differentiation covariant divergence covariant exterior differential covariant field covariant formulation of Lorentz condition covariant formulation of Maxwell equations covariant formulation of Maxwell equations in media covariant formulation of the charge conservation covariant functor covariant index covariantly constant field covariantly constant spinors covariant mapping covariant morphism functor covariant of a group covariant of a tensor covariant order covariant principle covariant quantization covariant set covariant spinor covariant tangent bundle covariant tensor covariant tensor algebra covariant tensor field

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。