例如，显示卡驱动程序dll可以修改，以便支援应用程序推出时尚无的显示卡。

For example, a display driver DLL can be modified to support a display that was not available when the application was shipped.

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显然，不同的视频显示卡和打印机需要不同的设备驱动程序。

Obviously, different video display adapters and printers require different device drivers.

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