It cannot respond to a file descriptor immediately when the data becomes ready.
当一个文件描述符上数据准备好时，它无法立即响应。
These events can be things like timers, signals, data ready for reading on a file descriptor, and so on.
这些事件可以是诸如计时器，信号，文件描述符上预备读取的数据，等等。
Monitoring applications may read event data from deleted monitor files while the file descriptor for the monitor file is still open but may not block for further event occurrences.
在监视器文件的文件描述符仍然打开的情况下，监视应用程序可以从删除的监视器文件读取事件数据，但是不再继续等待事件发生。
Annotations allow a developer to program data that would otherwise be furnished in a related file, such as a separate deployment descriptor.
注解允许开发人员编写将由相关文件提供的数据，例如单独的部署描述符。
Annotations allow a developer to program data that would otherwise be furnished in a related file, such as a separate deployment descriptor.
注解允许开发人员编写将由相关文件提供的数据，例如单独的部署描述符。
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