当它执行另一个程序时，进程的安全上下文可以改变。

A process 'security context can be changed when it executes another program.

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当一个应用程序调用其它的应用程序时，进行异步调用。

When one application is calling another, make that call asynchronously.

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当一个应用程序调用其它的应用程序时，进行异步调用。

When one application is calling another, make that call asynchronously.

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