“史前人地关系”的概念、定义、翻译、参考文献-科学参考

单词	史前人地关系
释义	史前人地关系 Encyclopedia 理学史前人地关系释 prehistoric man-environment relationship史前人地关系从人类出现到进入文明社会（约公元前3000年）前人与自然环境的关系。
随便看	normal neighborhood normal net normal number normal ogive model normaloid normaloid matrix normaloid operator normal operator normal order normal ordering normal orthogonal basis normal partitioning normal p-complement normal pedal curve normal phase normal phase high performance liquid chromatography normal place normal plane normal point normal polygon normal polynomial normal population normal positive cone normal pressure/atmospheric concentration equipment normal probability distribution

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。