“变性土”的概念、定义、翻译、参考文献-科学参考

单词	变性土
释义	变性土 Encyclopedia 农学变性土释 Vertosols变性土一种富含蒙皂石等膨胀性黏土矿物、具有胀缩性的黏质开裂土壤。变性土首先由美国土壤系统分类第七次草案正式提出，并成为一个新的土纲。英文名称取自拉丁词verto（翻转之意）；中文“变性土”由土壤学家席承藩翻译。
随便看	singular perturbation singular perturbation method singular perturbation problem singular perturbation system singular perturbed system singular plane 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

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。