roll microfilm的意思|示意

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.

投影制版系统：用微摄菲林或小型卷筒菲林内的影像投射于印版上的晒版系统，有别于用原大菲林和接触晒印的方法。

This email is in reply to your request of 20 August 2005, regarding a citation from a microfilm roll.

这一封电子邮件是回答你的2005年八月20日的请求，关于来自一个缩影胶片卷的一个引证。

It's easy to simplify roll microfilm storage and retrieval in your office.

要简化办公室缩微胶卷的存储及检索十分简单。