“mechniques of ploughing,harrowing and leveling”的概念、定义、翻译、参考文献-科学参考

单词	mechniques of ploughing,harrowing and leveling
释义	mechniques of ploughing,harrowing and leveling Encyclopedia 理学古代耕作技术释 mechniques of ploughing,harrowing and leveling耕耙耱中国北方旱地一项配套的土壤耕作技术体系。
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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。