The topological and chemical short-range orders, revealed by various diffraction method and computer simulations, enrich the intrinsic physical meaning on short-range order in liquid structure.

由各类衍射技术和计算机模拟揭示出的种种拓扑及化学短程序大大丰富了液体结构短程有序的物理内涵。

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Therefore a mesh has four basic characteristics: geometrical property, topological structure, physical property and time-varying property.

因此，网格具有四个基本特征：几何特性、拓扑结构、物理属性和时变性。

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Usually mesh data are composed of mesh structure data and physical properties data. Furthermore mesh structure data include geometrical data and topological data.

构造数据和物理属性数据两部分组成，构造数据又包括几何数据与拓扑数据。

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