“犁底层”的概念、定义、翻译、参考文献-科学参考

单词	犁底层
释义	犁底层 Encyclopedia 农学土壤层次释 plowpan犁底层位于耕作层（Ap1）以下较为紧实的土层。耕作表层（Ap）的一个亚层次。用符号Ap2表示。
随便看	Rectangular Coordinate Cartography rectangular coordinates system rectangular coordinate system rectangular decomposition rectangular distribution rectangular domain rectangular element rectangular equilateral triangle rectangular formula rectangular formula by deficiency rectangular formula by excess rectangular game rectangular grid rectangular group rectangular horn rectangular hyperbola rectangular hyperbolic coordinate rectangular hysteresis loop rectangular-hysteresis-loop soft magnet rectangular inequality rectangular injection/production pattern system rectangularity Rectangular Lacquer Box with BoneInlay from the Tomb of Feng Sufu rectangular lattice rectangular magnetic material

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。