“scalar quadratic product”的概念、定义、翻译、参考文献-科学参考

单词	scalar quadratic product
释义	scalar quadratic product Mathematics For vectors a, b, c, and d, the identity $(a \times b) · (c \times d) = (a · c) (b · d) - (a · d) (b · c)$ where · denotes the scalar product and × denotes the vector product.
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