According to statistic stationary random process theory, a set of three - dimensional indexes and methods describing the shape of spatial curved surface of rough fracture have been presented.

根据数理统计原理，从随机平稳过程理论出发，提出了一套描述裂隙空间曲面几何形态的三维指标和方法。

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Ruyi shape surface, and the curved bridge and the viewer interest involved in the means of.

如意形的水面，加之曲桥的趣味性与观者参与其中的意味性。

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Membrane structure has a complex shape, the unique curved surface and rational stress mechanism.

膜结构具有复杂的造型、独特的空间曲面与合理的受力机理。

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There was no visible wood grain in the print, and its shape indicated it was taken from a curved surface, not a flat one.

BBC: Fingerprint evidence is fallible