microfilm

• 微缩胶卷，一种将文件或资料以极小的尺寸拍摄在胶片上以便紧凑保存的载体，通常需要用放大设备才能阅读。

A noun referring to a film on which documents or other materials are photographed at a greatly reduced size for compact storage, typically requiring a magnification system to read.

1. Storage medium for documentsB2formal

   A film used to photograph documents, books, or records at a very small scale, allowing for compact storage. A special magnifying device is needed to view the content.

   缩微胶片

   • The library archives old newspapers on microfilm.
   • Researchers use a microfilm reader to examine historical records.
   • Microfilm was a common method for preserving documents before digital storage.

   同义词microfiche

• 动词，指将文件、报纸、档案等拍摄成缩微胶卷，或从缩微胶卷上读取、复制这些内容。这是一种如今已基本过时、主要用于长期保存和节省空间的技术。

A verb meaning to record or reproduce documents on microfilm, a now largely obsolete technology.

1. Record on microfilmC1formal

   To photograph documents or records onto microfilm for storage or preservation.

   缩微摄影

   • The library decided to microfilm all its old newspapers.
   • Archivists carefully microfilm fragile manuscripts to preserve them.
   • They microfilm the records every year for backup.

   同义词microcopy