维数

Fractal dimension is an effective parameter describing the structure of the urban system.

分形维数是刻画城镇体系结构的有效参数。

Fractal dimension of soil,the proportion of which was 8.8%,had important effects on soil status.

土壤的分形维数也对土壤性质有重要作用，贡献率为8.8%。

In this paper, the fractal character of worn surface of PTFE composite was also studied.

分析了分形维数与磨损表面形貌特征之间的联系。

Keywords: molecular dynamics simulation; fractal theory; fractional Brown function; vapor-liquid interface.

中文关键词：分子动力学模拟；分形理论；分数布朗函数；分数维数；汽液界面

The proposed approach extends the basic theory of FBM to the discrete case and investigates characteristics of auto-correlation function based on fractional Gauss noise.

提出了一种基于分数高斯噪声增量及其自相关函数的分形维数估计的新方法。

By compared with standard Brownian motion, the fractional dimension number of path of practical liquid molecular motion is analyzed theoretically on the basis of fractal theory.

运用分子动力学模拟方法，模拟了84K恒温液氩系统中分子的运动过程，统计了不同空间观测尺度及时间观测尺度下分子运动轨迹的分维数。

Based on fractal theory, the density, the temperature, the pressure tensor, the local surface tension and fractional dimension number of liquid-vapor interface at equilibrium are obtained by the help of molecular dynamics simulation.

本文在分形理论基础上，采用分子动力学模拟方法研究了在平衡状态下的汽液界面参数，得了界面区内的密度、温度、压力张量、表面张力和分维数的分布。

The thickness and fractional dimension number of the liquid-vapor interface are simulated by selecting Argon as working substance and using Lennard-Jones potential in the rectangle simulation box under the condition of 2048 simulated particles in the NVT canonical.

本文应用分子动力学模拟方法进行了汽液界面厚度和分维数的模拟研究。

This fact is in conformity with the idea of physiology and What reported by other authors, so we think that the analysis of the dimension hassome theoretical meoretical in the representation of brain function.

这一事实和生理概念及其他作者所报道的结果相一致，故我们考虑维数分析在表示脑功能状态上有一定的理论意义。

Parameter optimization, such as m, C, gama and epsilon, is extremely important for the model's prediction performance.

维数 、惩罚系数、核参数、损失函数参数等参数的优化对SVMs的预测性能有着重要的影响。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。