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roughness
Roughness may refer to:
*Surface roughness, the roughness of a surface
*International Roughness Index, the roughness of a road
*Hydraulic roughness, the roughness of land and waterway features
*Roughness in psychoacoustics refers to the level of dissonance.
*The 'roughness' of a line or surface, measured numerically by the Hausdorff dimension
*A typical parameter that has been used to quantify the quality of a surface topography is the surface roughness, which is represented by the arithmetic mean value, Ra, the quadratic mean, Rq, and the maximum roughness height, Rt.
*Roughness/resel, the resel/roughness of an image/volume.
==See also==
*Surface finish
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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