Wireless connectivity lets you print from other devices, including iPhones. Two-sided printing also reduces paper wastage.

惠普不仅能够打印复印浏览图片，同时也可以不通过电脑而通过触摸屏来查看和编辑图片，无线网络连接功能使其可以打印其它设备中的图片，包括iphone中的图片，双面打印可以同样减少纸张消耗。

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Ditan hospital said, two-sided printing to save out of consideration, there is no leakage of the privacy problem, but work in the future will be improved.

地坛医院则称，双面打印是出于节约考虑，不存在泄露隐私的问题，但在今后的工作中会予以改进。

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LookupPrintServices returns the set of printers that support printing a specific document type (such as GIF) with a specific set of attributes (such as two sided).

lookupPrintServices返回支持打印特定文档类型(比如gif)的打印机集，和一个特定的属性集(比如双面打印)。

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