智能网概念模型是一个多平面模型，包括：业务平面SP，全局功能平面GFP，分部功能平面BFP和物理平面PP，其中（43）是站在业务设计者角度来看智能网，（44）是站在网站构建者角度来看智能网。[1分]

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The approaching 4G mobile communication systems are projected to （ ） still remaining problems of 3G systems and to provide （ ） newservices ,from high-quality voice to high-definition video to high data-rate wireless channels.[1分]

Deploying enhanced broadband services over existing network infrastructure （ ）in increase of the network complexity and therefore,extraexpenses on network management and maintenanc

The approaching 4G mobile communication systems are projected to （ ） still remaining problems of 3G systems and to provide （ ） newservices ,from high-quality voice to high-definition video to high data-rate wireless channels.[1分]

4G is the fourth generation wireless technology adopted by the （ ） and carriers around the worl

Nobody had predicted the scale of impact of （ ） communications and that it world be one of the largest businesses in the history of mankind with and immense impact on all economies.[1分]

分布式数据库中的数据分布在不同节点上，有的事务分解成不同节点上的多个局部事务，若某个局部事务不能正常提交，则必须撤销所有其他节点已提交的局部事务。事务的这种性质，被称为事务的（ ）。[1分]

在通信专业中，WDM的英文全称是（ ），“吞吐量”英文通常翻译为（ ）。[1分]