notification message

• 通知消息

notification message的用法和样例：

例句

1. Switch to the target database to receive event notification messages.
   切换到目标数据库以接收事件通知消息。
2. Notification involves obtaining a lock to the critical section, iterating through the map, and notifying the subscribers.
   事件通知首先会获取一个临界区锁，然后遍历关注者映射，对所有的关注者发送事件通知消息。