photostatic

The archive kept a photostatic copy of her certificate. ▶

档案馆保存着她证书的一份照相复制件。

Before digital scanning became widespread, photostatic reproduction allowed libraries to share rare documents without transporting the originals.

在数字扫描普及之前，照相复制使图书馆能够共享珍贵文献，而无需运输原件。