“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	chain of points chain of production chain of projections chain of QSOs chain of relations chain of responsibility pattern chain of sets chain of subgroups chain of submodules chain of survival chain of syzygies chain of trust chain orientational disorder chain polymerization chain propagation chain propagation reaction chain ratio chain-react chain reaction chain reaction of nuclear fission chainreactor chain recurrence chain recurrent point chain recurrent set chain referral sampling

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