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

单词	Bessel’s equation
释义	Bessel’s equation Mathematics Second-order differential equation in the form $x^{2} y ″ + x y' + (x^{2} - n^{2}) y = 0.$ This occurs in physics and engineering applications, including in the harmonics of a vibrating circular drum.
随便看	rectification rectification section rectified spirit rectifier rectifier filter rectifier instrument rectifier voltmeter rectilinear motion rectilinear scanner rectilinear slope rectimarginate Rectisol process rectum recumbent fold recuperator recurrence recurrence, eternal recurrence interval recurrence relation recurrent recurrent nova recurrent state recurrent-surge oscilloscope recurring decimal recursion

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