“modified Bessel equation”的概念、定义、翻译、参考文献-科学参考

单词	modified Bessel equation
释义	modified Bessel equation [¦mōd·ǝ´fīd `bes·ǝl i´kwā·zhǝn] ^MATHEMATICS The differential equasion z²f''(z ) + zf'(z ) - (z² + n²)f (z ) = 0, where z is a variable that can have real or complex values and n is a real or complex number.
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