Plate projection system A plat exposure system which works by projecting the image from microfilm or compact roll film rather than by the same-size one-to-one contact printing of films.

• 投影製版系统用微摄菲林或小型捲筒菲林内的影像投射於印版上的晒版系统,有别於用原大菲林和接触晒印的方法。