“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	walk behind roller walk-down Walker Walker circulation Walker Evans walking aids Walking and jogging walking beam and hearth furnace walking city walking excavator walking fern Walking out of the East Gate walking pedagogy walking pile frame walking sprinkler walking training Walkinshaw frequency equation walk of a graph walk-off angle walk off effect walk-off effect walk rearrangement walk-through walk-through mental detector Walk Through Testing

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。