“Tea and horse policy”的概念、定义、翻译、参考文献-科学参考

单词	Tea and horse policy
释义	Tea and horse policy Encyclopedia 历史学制度、机构与职官释 Tea and horse policy茶马事例中国清代政府向茶叶生产者征收实物，用以与西北、西南各少数民族交换马匹的一项政策。
随便看	Levi Civita connection Levi-Civita connection Levi-Civita crater Levi-Civita density Levi-Civita parallel displacement Levi-Civita parallelism Levi-Civita pseudotensor Levi-Civita regularization Levi-Civita symbol Levi Civita tensor Levi-Civita tensor Levi condition Levi decomposition levies in kind Levi form Levi function Levi General Levi graph Levi lemma Le village Levi-Mal’tsev decomposition Levin Levinson Levinson-Smith method Levinthal's paradox

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