应用程序管理软件可以在运行时环境内管理多个MIDlet的活动。

The application management software can manage the activities of multiple MIDlets within a runtime environment.

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此外，MIDlet可以自己发起一些状态变化，并把这些变化通知给应用程序管理软件。

In addition, the MIDlet can initiate some state changes by itself, and notify the application management software of those changes.

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这个应用程序继承了midlet类，以允许应用程序管理软件对MIDlet进行控制、从应用程序描述符检索属性以及对状态变化进行通知和请求。

The application extends the MIDlet class to allow the application management software to control the MIDlet, retrieve properties from the application descriptor, and notify and request state changes.

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