The quantitative dependences of these numerical features on the fluctuant standard deviation and roughness of terrain are given, they provide the reference and basis for engineering designing.

求出了这些数字特征与地形的起伏标准差、粗糙度以及航速、航向误差之间的定量变化关系，为工程设计提供参考和依据。

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Objective to compare the effect of different polishing methods and self-glazing on the roughness of ceramic surface, providing reference to restoration polishing in clinic.

目的：观察不同的磨抛程序和自上釉的陶瓷表面的粗糙度，为临床陶瓷修复体抛光提供可参考的依据。

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