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按基本定義,向量與標量是按其遵從的運算法則來定義的.向量:凡是遵從平行四邊形定則的物理量都叫向量;標量:凡是遵從代數法則的物理都叫標量.這樣你在力學中學過的:位移、速度、加速度、力、衝量、動量等,在電學中…
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