采用加权网络中节点强度和权重都是幂率分布的模型，最大似然（ML）准则和最大后验概率（MAP）准则，利用最小二乘算法实现对三维平面的拟合。- Using weighted model nodes in the network strength and weight are power law distribution, Maximum Likelihood (ML) criteria and maximum a posteriori (MAP) criterion, Least-squares algorithm to fit a three-dimensional plane.