它主要由四部分组成：定题搜索、个性化信息服务、电子刊物管理及其全文检索系统。
In this system there are four parts: Orientation Search; Personal Information Service; Electron Publication Manager and Full-text Index.
它主要由四部分组成：定题搜索、个性化信息服务、电子刊物管理及其全文检索系统。
In this system there are four parts: Orientation Search; Personal Information Service; Electron Publication Manager and Full-text Index.
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