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【软交换物理实体】
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软交换机
通过软件方式完成呼叫控制、媒体网关接入控制、资源分配、协议处理、路由、认证和计费等主要功能,并可以向用户提供基本语音业务、移动业务、多媒体业务以及多样化的第三方业务的设备或系统。是下一代网络控制层的核心设备。
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sea damage
Sea dike of the Netherlands
sea dike works
seadragon
sead rearing of Anthocidariscrassispina
sead rearing of Apostichopus japonicus
sead rearing of sea cucumber
sead rearing of sea urchin
sead rearing of Strongylocentrotus intermedius
sead rearing of Strongylocentrotus nudus
seadyke
Seafarer's health care
seafloor backscatter
seafloor cabled observatory
seafloor electromagnetic detection
seafloor geothermal probe
seafloor heat flow
seafloor heat flow detection
seafloor heat flow equipment
seafloor heat flow measurement
seafloor heat-flow measuring instruments
seafloor imaging system
seafloor induced polarization instrument
seafloor laboratory
seafloor magnetic strips
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