能够把语音通讯像其他数据流传送一样控制在一个较为便宜的价格范围，是构建融合网络工程的众多优点之一。

Being able to handle voice calls cheaply, as just another stream of data, is one of the benefits of building a converged network.

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因此如何进行地图数据质量控制就成为军事测绘数字信息工程中一个十分重要的问题。

Therefore how to perform the map data quality control becomes a very important problem in the digital information engineering of military surveying and mapping.

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工程设计数据管理系统(DMS)可以支持设计的层次分解、多级抽象、并发控制和设计进展。

A data management system (DMS) for engineering design can support hierarchical decomposition, multiple levels of abstraction, concurrency control and design evolution.

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