Many RSS feeds have one channel object, but you can have several, perhaps if you wanted to separate feeds by an arbitrary filter.

许多rss提要具有一个通道对象，但是如果您希望使用任意过滤器分离提要，您就可以使用多个通道。

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The service initiates a separate HTTP channel on the ReplyTo EPR value provided by the client to send the response back to the client.

服务在客户机提供的ReplyTo epr值上发起一个单独的HTTP通道，将响应发送回客户机。

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SS7 USES out-of-band signaling where signaling messages are carried on a separate physical channel.

SS7则使用带外信令，即在另外的一个物理信道上传送信令消息。

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