确定谱的分形维数与物质相变、维晶状态以及结晶粒子线度的关系。
The relation among the matter phase-transition, crystalline degree, crystal site and spectrum fractal were discussed.
模拟结果表明熔体过冷度和树枝晶的计盒维数呈近似抛物线关系。
The results of simulations indicate that the relationship between melt undercooling and box counting dimension of dendrite is close to parabola.
在重建过程中，本文很好地解决了轮廓线定位、样条化光顺、曲面分型等难题，保证了三维模型的精确度。
During rebuilding of femur model, the theme has solved well some problems: orientation of contours, spline approximate, fractal of curved surface as to guarantee accuracy of model.
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