用平面波展开法计算二维声子晶体带隙,包括脚本文件和函数文件形式，采用加权网络中节点强度和权重都是幂率分布的模型。- Computation Method D phononic bandgap plane wave, Including scr ipt files and function files in the form, Using weighted model nodes in the network strength and weight are power law distribution.