如果在运行期间更新应用程序，则在替换应用程序文件时，会在目标节点上回收整个应用程序(停止并重新启动)。
If an application was updated while running, then the entire application is recycled (stopped and restarted) on the target nodes when the application files were replaced.
用计算机应用程序替换复杂的手动任务会增加这类应用程序用户界面的复杂性。
Replacing complex manual tasks with computer applications causes an increase in the complexity of the user interfaces of such applications.
这就是为什么在脚本开发中它得到广泛的应用，以替换默认方法的原因。
That's why it is widely used in the scripts to substitute it for the default method. As discussed above, this method cannot cover all the cases.
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