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是的,其實物理學中的向量的標準定義並不是高中課本上的“既有大小又有方向的物理量”,而是“適用於平行四邊形法則的物理量--這是大學物理中對向量的定義. 當然了,適用於平行四邊形法則的物理量一定也適用於三角形法則.
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