尺度不变性可用分形和多重分形模型来表征。
Scale invariance can be described by means of fractal and multifractal models.
结论：利用“等值线-面积”多重分形模型所确定的疾病空间异质性结构及其界限能准确反映疾病空间异质性变化的本质规律。
Conclusion: the structures and boundaries of spatial heterogeneity of disease identified by CAMM can display the spatial characteristics of disease accurately.
在快速以太网中的网络传输是多重分形的，而用自相似模型来描述是不够精确的。
This article proves by analyzing network data that network traffic is multifractal and self-similar is not adequate to describing network traffic in fast switch Ethernet.
在快速以太网中的网络传输是多重分形的，而用自相似模型来描述是不够精确的。
This article proves by analyzing network data that network traffic is multifractal and self-similar is not adequate to describing network traffic in fast switch Ethernet.
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