先秦時期也依賴外部輸入，如青銅鐵器戰車家馬等等，漢代時已經趕上西方水平不再依賴輸入了，所以呈現對周邊優勢。

來源: rulvbobing 於 2025-12-18 13:53:29 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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