“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	self focusing lens self-focusing lens self-focusing of laser beam self focusing optical fiber self-focusing optical fiber self-fruitful self-fulfilling expectations self-fulfilling prophecy self-generating self-governance of community residents self-governing of the society self-gravitating body self-gravitation self-group relations self-harm behavior self-healing cement self healing control for distribution network self-healing materials Self-healing polymers self-healingpolymers self-healing system self-help self-help groups self-homeomorphism self-homing

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。