客观确定分形的“无标度区”是分维测算中的关键问题之一。
Determining Scaling Range is a key problem to calculate fractal dimension.
根据该模型分别描述了模型的选择问题和无标度区的确定问题。
Based on these models, it describes the selection of them and methods of how to determine scaleless range.
研究表明影响分维估计精度的主要因素有四种：数据点数、数据概率分布、数据平稳性、无标度区。
Main factors influencing precision of fractal dimension computation include number of data, distribution of data, stationarity of data, no scale area.
对地震空间分布信息维结构、无标度区及其上下限等进行了分析，对其物理含义进行了初步的讨论。
The information dimension structure of earthquake space distribution, scaling area and its upper and lower limits have been analyzed and their physical implications also discussed primarily.
存在一个换边的几率阈值，当换边几率大于这个阈值时，网络相图中会出现一个由无标度区向指数区的相变。
There is a phase transition from the scale-free regime to the exponential regime for a certain rewiring probability.
存在一个换边的几率阈值，当换边几率大于这个阈值时，网络相图中会出现一个由无标度区向指数区的相变。
There is a phase transition from the scale-free regime to the exponential regime for a certain rewiring probability.
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