The beliefs of information technology infrastructure library(ITIL) were understood thoroughly with comparison between service delivery and service support in ITIL.
通过信息技术基础设施库（ITIL）中的服务提供和服务支持进行对比来加深对ITIL理念的理解。
The beliefs of information technology infrastructure library(ITIL) were understood thoroughly with comparison between service delivery and service support in ITIL.
通过信息技术基础设施库（ITIL）中的服务提供和服务支持进行对比来加深对ITIL理念的理解。
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