“grassland civilization”的概念、定义、翻译、参考文献-科学参考

单词	grassland civilization
释义	grassland civilization Encyclopedia 农学〔草原文化〕释 grassland civilization草原文明草原民族在天然草原地区，即以草原生态系统为主要特征的自然地带，为满足求生需求所采取的特种生存手段及其伦理学和生态的含义。
随便看	singular plane of support singular point singular point at infinity singular point of a curve singular point of a difference equation singular point of a differential equation singular point of a quadric singular point of a surface singular point of higher order singular point of order k singular probability distribution singular process singular projective transformation singular proposition singular q-cochain singular quadratic form singular quadric singular quadric hypersurface singular saddle point singular semigroup singular sequence singular series singular set singular set function singular simplex

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。