“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	symbol O symbol o symbol of a binary composition symbol of a differential equation symbol of a differential operator symbol of an elliptic complex symbol of an equation symbol of an integral operator symbol of an operation symbol of an operator symbol of a pseudodifferential operator symbol of a unary operation symbol of a vector field Symbol of Chinese cultural heritage symbol of conjunction symbol of disjunction symbol of equivalence symbol of happy encounters symbol of joint negation symbol of logical product symbol of logical sum symbol of proportion symbol of ratio symbology symbols and abbreviations on chart

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