“multiplicative identity”的概念、定义、翻译、参考文献-科学参考

单词	multiplicative identity
释义	multiplicative identity Mathematics An identity element under multiplication, so for real and complex numbers 1 is the multiplicative identity and for 3 × 3 matrices it is $(\begin{matrix} 1 & 0 & 0 \\ 0 & 1 & 0 \\ 0 & 0 & 1 \end{matrix}) .$
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