并给出了利用半径描述子计算图像区域面积以及利用欧几里德距离判定边界相似度的方法。
A new method using Fourier radius descriptor to compute the area of image and using Euclidean distance to determine the similarity of boundary is educed too.
结论：采用柔索约束、间隙元作为下颌骨及髁突的边界条件，可提高模型的相似性，为下颌骨的受力分析奠定基础。
Conclusion: Cable and gap elements are reasonable boundary conditions of the finite element model of mandible, which will improve the similarity of the model.
对于目标中带孔或目标颜色信息和背景颜色信息相似的图像，单独根据边界信息或区域信息无法提取出准确的目标。
For some objects with holes, or their color information similar to the background's, object can't be extracted exactly only by boundary information or region information.
本论文介绍了海洋大气边界层的基本概念和相似理论。
The basic concepts of the Marine Atmospheric Boundary Layer and the similarity theory are introduced in this study.
本文提出的边界元相似子域法也可以推广应用于夹杂相外缘附有界面层结构的复合材料的数值模拟。
The similar subdomain BEM presented in this paper can also be successfully applied to the numerical simulation of the composite materials with different interphase layer.
实验中较好地满足了相似准则，重现了风区现场实测所获得的大气边界层风特性。
The test reproduced the wind characteristics observed by on-site measurement and satisfied well the similarity criteria.
与线性稳定性理论的结果相比，二者的关系和不可压边界层的情况相似。
Compared with those obtained by linear stability theory, the situation is similar to those for incompressible boundary layer.
依据钝锥体再入远尾迹流动的边界层特征，从边界层方程出发得到了高超声速远尾迹流动的拟相似性解。
According to the boundary layer character in reentry wake of hypersonic blunt cone body, this paper presents a local similar solution for hypersonic wake.
实验结果表明：YDM-C系统能较好地满足模型边界的相似条件；
The results showed that YDM-C system can satisfy the similar conditions of model boundary;
本文讨论了大气边界层风洞中脉动风压相似模拟所遇到的问题。
In this paper, some problems dealt with similar simulation of fluctuating pressure in the atmospheric boundary wind tunnel are under discussion.
对于速度边界层提出了相似性解的解析结果，给出了速度分布、边界层厚度、摩擦阻力和水头损失的解析计算表达式。
Calculation formula of velocity distribution, boundary layer thickness, friction force and loss of water head are given out, in accordance with the result from theory analysis of similitude solution.
根据流动相似性理论和隧道通风主要控制因素，确定隧道通风的边界条件；
Based on hydromechanics affinity theory and major control factor of highway tunnel ventilation, the paper had made certain highway tunnel ventilation boundary condition.
为了克服上述困难，根据各个夹杂相积分区域的相似性，本文提出了边界元相似子域法。
In order to overcome the above-mentioned difficulty, similar subdomain BEM scheme is presented in this paper, based on the similarity of the integral area of inclusion phases.
该算法首先对图像进行边界提取并二值化，然后利用所定义的基于边缘的相似距离(esd)对处理后的二值图像进行相似性匹配运算。
Firstly the new algorithm processes the image by extracting edge and thresholding, then calculates the correlation of the binary images using the defined ESD distance.
对波浪边界层厚度提出明确的定义，利用相似原理导出了波浪紊流边界层厚度的合理计算公式；
This paper presents a precise definition of the thickness of wave boundary layer. The thickness equation of the turbulent boundary layer beneath water waves is derived by the principles of similarity.
本文首先对弹性力学的相似边界元法进行了研究，推导了相应的计算公式。
Similar boundary element method (SBEM) for elasticity problems is discussed, and the corresponding formulae are obtained.
韧性变形岩石中动态重结晶石英颗粒边界形态具有自相似性，表现出分形特征。
Grain shapes of dynamically recrystallized quartz in ductile deformed rocks, characterized by fractal dimension, are statistically self_similar.
通过直接数值模拟的方法，探讨在超音速边界层的转捩问题中，是否存在和不可压缩流情况相似的产生亚谐波的机制。
The spatial evolution of 2-D disturbances in supersonic sharp cone boundary layers was investigated by direct numerical simulation(DNS) in high order compact difference scheme.
东亚陆缘新生代盆地几何特征具有相似性，呈以nne、NEE至EW向断裂为边界的准菱形。
The Cenozoic basins of different magnitudes in East Asia continental margins are similar and self similar in shape.
本文以湘西金矿为例介绍其回采工艺、控顶技术和采场安全监测、光弹、相似模拟试验及边界元计算的结果。
With Xiangxi Gold mine as an example, this article describes the mining technology, roof-control procedure, stope-monitoring fo...
本文以湘西金矿为例介绍其回采工艺、控顶技术和采场安全监测、光弹、相似模拟试验及边界元计算的结果。
With Xiangxi Gold mine as an example, this article describes the mining technology, roof-control procedure, stope-monitoring fo...
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