This attribute is valid on all channel types that can ever receive a channel initiation flow, except for sender channels. This attribute is valid for channel types of.

这个属性对可以接收一个通道初始化流的所有通道有效，发送器通道除外。

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Clients may subscribe to glob-style patterns in order to receive all the messages sent to channel names matching a given pattern.

客户端可以使用全局样式订阅并接受所有和给出的模式相匹配的所有通道消息。

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The fact is the marketplace is littered with dozens of novelty watches, all of which tell time well, and which do such things as receive Global Positioning Systems signals, change the channel on TV sets, take pictures and store contact lists like a personal digital assistant.

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