地理的経度測定と航海時計の発明の物語を探求し、大航海時代の技術が航海の発展をどのように促進したか、そして多くの科学の巨匠の貢献を明らかにします。
欢迎大家购买我的新书《柔软的宇宙》
E1 • 6 mins • May 23, 2017
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最近のエピソード
May 23, 2017
欢迎大家购买我的新书《柔软的宇宙》
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