键包括字母键、数字键、标点符号键和一些特殊字符。
The keys include letters, numbers, punctuation marks, and some special characters.
助记符模式打开以后，按下适当的字母键就可以执行相应的功能。
After it opens, pressing the appropriate letter key executes the function.
抱歉啦，诺基亚，苹果等，你们的触控反馈完全比不上物理操作和字母键。
Sorry, Nokia, Apple and so on, haptic feedback doesn't hold a candle to physical control and character entry keys.
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