A common property of many large networks is that the vertex degrees follow a scale-free power-law distribution, the BA model features two generic mechanisms: the networks expanding and the pref.
实际网络中节点分布的一个广泛特征是度的无标度幂率分布，BA模型认为形成这种特征的两个主要因素是网络增长和节点间的偏好连接。
We adopt two kinds of small world model and scale free BA model to construct the beam transport network.
本文采用两种小世界模型和无标度模型构造出了束流输运网络。
Started from exponential growth of scale-free network, the analytic and simulated results of the modified BA model are presented in the paper.
从无标度网络指数式演化的角度，给出了BA修改模型的解析结果和数值模拟。
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