It entails both technology and facilities such as hardware, operating system, database management systems, networking, multimedia, database management systems and multimedia.

它需要技术和设备，例如硬件、操作系统、数据库管理系统、网络连接、多媒体。

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On the other hand, a physical data model (PDM) which carries the DBM extension in InfoSphere data Architect, takes into account the constraints and facilities of a given Database Management System.

另一方面，InfoSphere数据架构中扩展的物理数据模型(PDM)，要考虑给定的数据库管理系统的限制和能力。

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Geographic information system (GIS), as a new information technology, pays a very important role in efficiently dynamic management of heating power facilities.

地理信息系统(GIS)作为一项新的信息技术对热力设施的高效动态管理起着十分重要的作用。

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