Some basic concepts of Device dependent Bitmap (DDB) and Device Independent Bitmap (DIB) are introduced.

介绍了设备相关位图(DDB)、设备无关位图(DIB)的基本概念。

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Assigned to each key on a keyboard is a unique value called a scan code, a device-dependent identifier for the key on the keyboard.

中文翻译：键盘上的键都分配有一个独一无二的扫描码，即和设备相关的标识符。

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The idea of a device that's dependent on a single network is becoming old-school.

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The system is not dependent on a customized bridge, transmitting device or pre-determined restricted special network.

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The approach is in lockstep with the device's target market -- busy and less technical consumers, particularly young mothers, who find themselves increasingly dependent on e-mail and don't want the complexity of a smartphone or the high cost of running one on a 3G network.

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