...课_论文_学海网 关键词：黎曼流形；谱几何；Laplace算子；特征值 [gap=458]Keywords ： Riemannian manifold; spectral geometry; Laplacian operator;eigenvalue ...
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... geometry factor 几何因数 geometry of the spectrum 谱几何 geophone 地震检波器地音仪 ...
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Laplace matrices of graphs are closely related to the Laplacian, the second order differential operator. This relation yields an important bilateral link between the spectral geometry of Riemannian manifolds and graph theory.
图的Laplace矩阵与二阶微分算子Laplacian之间的紧密联系使得在黎曼流形的谱几何与图论之间建立了一个重要的双向联系。
参考来源 - 拉普拉斯矩阵和蕴含幂零符号模式·2,447,543篇论文数据，部分数据来源于NoteExpress
几何轮廓参数包括尺寸参数、位置参数、形状参数以及表征频域特征的谱参数等。
The geometrical parameters of a contour include its dimension, position, form error and form spectrum.
使我们将分维概念从自相似和点集的几何性质，扩展到物理场的强弱区域有不同的标度，并将物理场的功率谱和分维、标度律联系起来。
The scaling is thus no longer confined to the notion of self-similarity nor to the geometric properties of sets of points. the weak and intense regions of physical fields have different scaling.
本文在一个拖动的单缸实验机上，利用油点条痕法显示了活塞上燃烧室凹坑中挤流运动的流谱，研究了燃烧室形状和几何尺寸对挤流谱的影响。
The squish patterns in engine piston bowls with different geometry are visualized by the method of oil streak in a motored single cylinder test engine.
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