唯读记忆光碟 meaning in Chinese

cd-rom

The basic law library stocks materials such as books , journals , multimedia information , cd - roms , online databases and newspaper clippings . it now has a collection of about 8 , 000 items of reference materials covering the following subjects
基本法图书馆收藏的资料计有书籍期刊多媒体资料唯读记忆光碟线上资料库和剪报等，现时约有8 , 000项资料，主要内容包括：