求出了扭结的迁移率、共振频率和扩散常数的表示式。
The expressions of the mobility, the resonant frequency and the diffusion constant of kinks are found.
改进的算法同时结合了各向同性和各向异性扩散，利用区域频率差异实现了在不同的区域使用不同的迭代方程。
Improved algorithm combines isotropic and anisotropic diffusion and USES the regional frequency difference to realize different iterative equation on the different regional.
基于信息扩散理论提出直接估计低温冷害、干旱和洪涝的风险评估方法，以低温冷害为例，将计算结果与风险指数法和主观频率法做比较。
This research raised the method in risk assessment of low temperature and cold damage, drought and flood disaster based on information diffusion theory.
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