虚拟中继 (Virtual Trunting)：利用软交换网转接PSTN端局之间的语音业务，而软交换网本身不直接接入语音终端用户，此时软交换网的功能类似于PSTN中的汇接局或...
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If the distance between the data collection organ and data convergence organ exceeds the effective distance of the carrier communication, the communication will not be succeed, withal the thesis brings forward the resolve way of"dummy relay" .
若数据采集器与数据集中器之间超过载波通信的有效距离时，通信就不能够成功，对此本课题提出了“虚拟中继”的解决办法。
参考来源 - 远程集中式自动抄表系统研究·2,447,543篇论文数据，部分数据来源于NoteExpress
如果可以使用虚拟LAN (VLAN)中继，就可以通过同一个物理适配器同时访问多个子网，但是这种方法无法享有这一好处。
If virtual LAN (VLAN) trunking is available, where multiple network subnets can be accessed simultaneously through the same physical adapter, this method does not use that benefit.
对于JTA EntityManager, JTA事务被传递到底层的资源管理器(即虚拟数据库，由它将这个事务中继到物理数据库)。
For a JTA EntityManager, the JTA transaction is propagated to the underlying resource manager (i.e., the virtual database, which relays the transaction to physical databases).
InfoQ今后将在虚拟化部分中继续报道Hyper - V的相关新闻。
InfoQ will continue to provide coverage of Hyper-V in our Virtualization section in the future.
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