“自然土壤”的概念、定义、翻译、参考文献-科学参考

单词	自然土壤
释义	自然土壤 Encyclopedia 农学自然土壤释 natural soil自然土壤未经人类开发利用，在自然成土因素的综合作用下形成的土壤。
随便看	variable transformation variable ultrafast photographic shutter variable ultraviolet object variable valve lift variable valve mechanism variable valve timing variable valve timing system variable-velocity star variable voltage variable water flow central air-conditioning system variable X-ray source variable γ-ray source variace-covariance matrix variance variance analysis variance analysis of one-way grouping data variance analysis of subgroup data in group variance analysis of two-way data variance-balanced block design variance between classes variance between clusters variance between laboratories variance component variance component model variance component models

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。