reference roughness length 基准粗糙长度
Reference standard for roughness 粗糙度参考标准器
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。
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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