1)Hankel function of the first kind,第一类汉克尔函数2)Hankel function of the second kind,第二类汉克尔函数3)Hankel function;Bessel function of the third kind,第三类贝塞尔函数;汉克尔函数4)modified Bessel function of the first kind,变形第一类贝塞尔函数5)Bessel function;Bessel function of the first kind,第一类贝塞尔函数;贝塞尔函数6)modified Hankel function,修正汉克尔函数