组播侦听者 Multicast Listener
或多播侦听者发现 Multicast ListenerDiscovery ; MLD
即组播侦听者发现 MulticastListenerDi scovery ; MLD
服务生就是事件侦听者 Event Listener
如果侦听者支持配置文件(配置文件集)，通道将被创建。
If the listener supports the profile (s), the channel will be created.
为了便利我将把启动连接的一端称为 发起者，而把接收连接的一端称为 侦听者。
So for convenience I'll refer to the peer that starts a connection as the initiator, and the peer accepting the connection as the listener.
TextField 用焦点侦听者来演示焦点移动到该示例组件和从该组件移走时发生的变化。
The TextField has focus listeners to demonstrate the focus changes to and from the example component.
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