如今，IT数据中心必须跨多个操作系统版本提供和维护稳定性、安全性和可伸缩性服务，这类服务可在多种服务器硬件和操作系统上运行。

Today, IT data centers must provide and maintain stable, secure, and scalable services that run on multiple types of server hardware and operating systems, across several operating system versions.

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我院中心供应室通过建立并不断完善设备的使用与维护体系，确保各种设备高效运行。

The central sterile supply department of my hospital has established the usage and maintenance system to make various equipments operate efficiently.

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广州电信网管维护中心是广州电信网络运行维护作业层的核心部门。

Network Management and Maintenance Center (NMMC) of Guangzhou Telecom is the core department of local network operation and maintenance.

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