不过，关闭屏幕或者触发自动关机就可以提供显著的节能优点。

However, simply blanking a screen or triggering an automatic shutdown can provide substantial power-consumption benefits.

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图1中的屏幕快照是在测试自动化模拟用户单击关闭测试应用程序的File | Exit之前捕获的。

I captured the screen shot in Figure 1 just before the test automation simulates a user clicking on File | Exit, which closes the application under test.

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将屏幕亮度调至40%，关闭自动亮度。

Turn screen brightness to 40%, and turn off auto brightness.

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