“absolute value”的概念、定义、翻译、参考文献-科学参考

单词	absolute value
释义	absolute value [`ab·sǝ´lüt `val·yü] ^MATHEMATICS 1. For a real number, the number if it is nonnegative, and the negative of the number if it is negative. Also known as numerical value. 2. For a complex number, the square root of the sum of the squares of its real and imaginary parts. Also known as modulus. 3. The length of a vector, disregarding its direction; the square root of the sum of the squares of its orthogonal components.
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