“gradation and classification on land”的概念、定义、翻译、参考文献-科学参考

单词	gradation and classification on land
释义	gradation and classification on land Encyclopedia 经济学土地分等定级释 gradation and classification on land土地分等定级在特定的目的下，对土地的自然经济属性进行综合鉴定，并使鉴定结果等级化的过程。是土地评价的一种类型。又称土地分等级评价、土地比较性评价、土地评等定级。
随便看	sum of vectors sum operator sum over state sum over states sump sump level control for hydrocyclone feeding process sum-product number sumption sum relation sum rule sum rules sum sequence sum series sum-set sum-set axiom sum spectrum SUMT sum term sum test sum theorem sum theorem for dimension sum to infinity sum topological space sum topology sum total

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。