“ancient farming techniques”的概念、定义、翻译、参考文献-科学参考

单词	ancient farming techniques
释义	ancient farming techniques Encyclopedia 理学古代耕作技术释 ancient farming techniques古代耕作技术中国古代通过使用农具以改善土壤耕层构造和地面状况的各种技术措施的总称。
随便看	totally non-perfect space totally normal space totally ordered totally ordered group totally ordered loop totally ordered ring totally ordered semigroup totally ordered set totally ordered subset totally orthogonal manifold totally orthogonal plane totally orthogonal space totally positive totally positive element totally positive field totally positive matrix totally positive number totally projective group totally ramified extension totally real CR structure totally real field totally real submanifold totally recursive subclass totally reflexive relation totally regular method

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。