The arrangement and size of dots on halftone negatives and positives and printing plates.
The arrangement and size of dots on halftone negatives and positives and printing plates.
中义在半色调阳片、阴片或印版上形成排列的大小网点。
The arrangement and size of dots on halftone negatives and positives and printing plates.
中义在半色调阳片、阴片或印版上形成排列的大小网点。