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古代耕作技术
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古代耕作技术
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理学
古代耕作技术
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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。
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combinatorial product
combinatorial programming
combinatorial proof
combinatorial property
combinatorial reciprocity theorem
combinatorial scheme
combinatorial semigroup
combinatorial sequence
combinatorial set theory
combinatorial species
combinatorial sphere
combinatorial square
combinatorial structure
combinatorial submanifold
combinatorial sum
combinatorial surface
combinatorial synthesis
combinatorial testing
combinatorial theory
combinatorial topology
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combinatorics
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