the Bessel function

• 贝塞尔函数

the Bessel function的用法和样例：

例句

1. Finally, the theory of Bessel's function concerned with this thesis is extracted briefly.
   在附录中摘录了贝塞尔函数理论的初步知识。
2. Some recursion formulae of Bessel functions are derived from such practice problems as well.
   并从该实际问题出发，推导出了一类贝塞尔函数的递推公式。