environ. | CD-ROM search service The provision of special aid by library staff trained to query bibliographic or other information contained on an electronic storage medium, usually to meet the research needs of the library's clients | 光盘只读存储查询服务 (由负责查询电子存储介质中存储的编目或其它信息的图书馆职员提供的特别服务,通常是为了满足图书馆的用户的查询需求。) |