如果可用性指示器表示端点服务可用，那么消息将被获取以进行处理。

If the availability indicator suggests that the endpoint service is available, the message is retrieved for processing.

youdao

在入站消息处理的开始阶段，系统可用性指示器被设置为“true”，表示端点系统是可用的。

At the start of inbound message processing, the system availability indicator is set to "true", indicating that the endpoint system is available.

youdao

在入站消息处理的开始阶段，系统可用性指示器被设置为true，表示端点系统可用。

At the start of inbound message processing, the system availability indicator is set to true to indicate that the endpoint system is available.

youdao