Half-tone Illustration created by dots of varying size resulting in the appearance of continuous tone. 半色调图片效果和连续色调相似但由不同大小的点子组成的图片。
Electronic dot generation The ability of an output scanner to generate half-tone dots directly on the output medium in a variety of screen rulings and forms. 电子传发网点在扫描机的输出介体上能以多种不同的网点形状和网线数目直接造成半色调网点的能力。
