[计] 平版胶印, 平版胶印术

[ noun ]
offset printing by lithography
<noun.communication>

offset printing \off"set print"ing\, n. (Printing)
A printing technique in which a lithographic image on an
inked metal or stone plate is transferred first to a rubber
sheet (usually on a cylinder) before transfer to the paper.
Called also {offset lithography}.
[PJC]