As the name implies, it is built on top of IP multicast, in which one transmitter can send one message and have it be received by more than one receiver.
顾名思义，这个协议是在ip多播之上构建的；在ip多播中，一个发送器可以发送一条消息并使多个接收器接收到该消息。
And as a failsafe, the receiver also sends a message to the transmitter via radio if it notices an unexplained interruption in power reception.
同时作为故障保护，如果接收器发现能量接收端有一个无故中断，还会通过无线电向传输器发送一个信息。
If a firm needs to get this message or content out to subscribers, it must contract with a channel delivery service or set up its own Transmitter software.
如果一个公司需要将其信息发送给订户，就需要订购通道交付服务，或者建立自己的。
A reassuring message that help is. on the way is. radioed to the man by the dog-handler through a transmitter on the dog's jacket.
驯犬员通过狗衣上的发射器向受困者发出了救援就会到来的安慰口信。
A reassuring message that help is. on the way is. radioed to the man by the dog-handler through a transmitter on the dog's jacket.
驯犬员通过狗衣上的发射器向受困者发出了救援就会到来的安慰口信。
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