缩微文件 meaning in English

microfile
microtext

Electronic imaging process of paper documents and microfilmed documents
纸型文件及缩微文件的电子成像过程
Micrographics . legibility test for microform readers . description and use of iso micromire iso no 1
缩微照相.缩微文件阅读器的清晰度检验.号规格缩微测试卡的说明和使用
In micrographics , a device that performs the functions of a reader and a printer to produce hard copy enlargements of selected microimages
缩微照相技术中的一种设备，兼有(缩微文件)阅读机和印刷机功能，可产生被选择的缩微图形的放大硬拷贝。