正如此表所示，所有的电子文档阅读器(无论是应用程序还是专用设备)支持的都只是这些格式中有限的几个。
As this table illustrates, all electronic document readers-whether applications or dedicated devices-support a limited number of these formats.
Joliprint是一个在线服务，可用来从任意网页生成具有漂亮排版的PD F文档，以备打印之用或转换成电子书阅读器可用的格式。
Joliprint is an online service that will make a nicely-formatted PDF version of any article on the web, ready for printing or transferring to an e-reader.
近日，一位数学家计算出当往电子书阅读器中添加新文档时，阅读器会增重。
A mathematician recently calculated that eBook readers "gain weight" when you add new books to your library.
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