中介对通过它们传递的消息执行一组操作以协调非语义特征；这些操作包括协议切换、转换、加密和路由。
Mediations perform a set of actions on the messages that pass through them to mediate the non-semantic characteristics; the actions include protocol switching, translation, encryption, and routing.
方案中利用了层次化结构的区域注册和重路由机制，减少了切换时延和网络的信令负荷。
By adopt the regional registration and re-routing scheme in hierarchical networks, both the handover delay and signaling load may be decreased.
禁用时，输出切换到高阻抗状态，从而使得该路由矩阵设备和视频多路复用器ha4600的理想选择。
When disabled, the output is switched to a high impedance state, making the HA4600 ideal for routing matrix equipment and video multiplexers.
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