他们致力于提高该光学影像的鲜明度。
They concentrated on better definition of the optical image.
它描述颜色的纯度、饱和度、鲜明度、量度和强度。
It is the strength and brilliance of a colour. Also known as Chroma, . Saturation.
油墨中加入通用白炭黑可以防止颜料的沉淀和控制油墨的粘度，增加着色油墨的鲜明度。
Add generic ink can be prevented silica precipitation and control of pigment ink viscosity, ink sharp increase in degree of shading.
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