甲午戰爭時清朝GDP比日本高很多？科學革命從落球、滾球、單擺、彈簧開始研究，遠比木牛、流馬、諸葛弩簡單。原理比設備重要

來源: ScottGu 於 2026-03-16 05:38:25 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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