舉重若輕乃大師。絕對值得學。數學、物理不僅僅是知識，更是世界觀。向量空間學得好的，很容易在大腦中遨遊宇宙

来源: 喀爾判0715 于 2025-07-24 14:47:51 [旧帖] [给我悄悄话] 本文已被阅读：次

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