“central difference operator”的概念、定义、翻译、参考文献-科学参考

单词	central difference operator
释义	central difference operator [¦sen·trǝl ¦dif·rǝns `äp·ǝ´rād·ǝr] ^MATHEMATICS A difference operator, denoted ∂, defined by the equation ∂ ƒ (x ) = ƒ (x + h / 2) - ƒ (x - h / 2), where h is a constant denoting the difference between successive points of interpolation or calculation.
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