“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	finite permutation group finite plane finite point finite polyhedron finite population finite population correction finite potency finite potential well finite presentability finite presentation finite prime divisor finite probability space finite process finite progression finite projection finite projection spectrum finite projective geometry finite projective plane finite projective space finite projector finite quasigroup finite quiver finite radical finite R algebra finite R-algebra

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。