“心土层”的概念、定义、翻译、参考文献-科学参考

单词	心土层
释义	心土层 Encyclopedia 农学土壤层次释 middle layer心土层位于表土层与底土层之间的土层。通常指表层以下至50厘米左右深度的土层。厚度20～30厘米。因位于土体中部而得名。
随便看	ring module ring-moon ring morphism ring mountain Ring Nebula ring nebula ring-neck pheasant ring network ring object ring of adeles ring of algebraic integers ring of algebraic Weil cohomology classes ring of constants ring of differentiable functions ring of differential operators ring of differential polynomials ring of dual numbers ring of endomorphisms ring of finite generation ring of finite presentation ring of fractions ring of functions ring of germs ring of integers ring of invariants

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。