共展出700余件历史照片、大量历史文件及几十件文物等的翻译：Exhibited a total of more than 700 pieces of historical photographs, a large number of historical documents and dozens of pieces of cultural relics 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Featured more than 700 pieces of historical photos, historical documents and dozens of large pieces of cultural relics

Exhibited a total of more than 700 pieces of historical photographs, a large number of historical documents and dozens of pieces of cultural relics

Altogether displays 700 historical pictures, the massive history file and several dozens cultural relics and so on

A total 700 pieces on display historical photographs, many other historical documents and several 10 artifacts, etc.

Exhibited a total of more than 700 pieces of historical photographs, a large number of historical documents and dozens of pieces of cultural relics