“古代耕作技术”的概念、定义、翻译、参考文献-科学参考

单词	古代耕作技术
释义	古代耕作技术 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	boundary wave bound-bound absorption bound bound laser bound-bound laser bound bound transition bound-bound transition bound charge bound charge density bound decision variable bound differentiability bounded bounded above bounded above complex bounded above filtration bounded above operator bounded above sequence bounded above set bounded approximation bounded approximation property bounded arithmetic bounded basis bounded below bounded below complex bounded below filtration bounded below operator

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。