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.
该专家系统由诊断系统和诊断信息库管理系统两部分组成。
This expert system is composed of diagnosing system and diagnosis information base management system.
电网继电保护及故障信息管理系统由主站系统、通信网络和子站系统三部分组成。
The protective relaying and fault recorder information processing system is composed of a master station system, communication network and slave station system.
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