加入叠加网多播的主机在带宽及其他方面存在异构性。
Hosts in overlay multicast systems have heterogeneity in both of bandwidth and other characteristics.
当存在单环网时，本文利用叠加定理和戴维南等效定理把单环状的配电网转化成两条辐射状的馈线。
The paper transforms it into two radial networks with Thevenin's theorem and superposition theorem when there is a meshed network.
智能网的实现是在现有的通信网上叠加一个网，增加网络功能部件和标准接口。
Intelligent network is realized by overlapping a new networks on existing telecommunication networks and adding standard interfaces and network function units to existing networks.
基于以太网供电原理，采用RS- 485总线供电方式，实现48V直流能量与数据沿同一线对的叠加传输。
According to the principle of power over Ethernet, the method of RS-485 bus power is applied to implement the transmission of 48 VDC and data signals via the same twisted-pair electric cable.
基于以太网供电原理，采用RS- 485总线供电方式，实现48V直流能量与数据沿同一线对的叠加传输。
According to the principle of power over Ethernet, the method of RS-485 bus power is applied to implement the transmission of 48 VDC and data signals via the same twisted-pair electric cable.
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