Acutance resolution taxation ---- ---- refers to all kinds of images obtained by the photosensitive method, the sharpness of the edge of the line (Sharpness), this word is different from the resolution Resolution. The latter refers to the distance can be clear in a certain width The number of "line pairs" developed by Develope (Line Pair, refers to a combination of a line and a space), commonly known as solving only a few "line" only.