服务水平管理人员的知识需要涵盖解决方案中使用的全部技术，包括支持公共客户数据服务的现有系统。
The knowledge of the Service Level Manager needs to cover all the technologies used across the solution, including the existing systems supporting the Common Customer Data Service.
系统主要包括源数据获取、客户管理、统计分析、知识库管理和系统管理五大模块。
The system is composed of five functional modules including source data acquirement, customer management, statistical analysis, knowledge base management and system management.
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