“T9 keyboard layout”的概念、定义、翻译、参考文献-科学参考

单词	T9 keyboard layout
释义	T9 keyboard layout Encyclopedia 理学键盘布局释 T9 keyboard layoutT9键盘用于手机上的数字键盘布局，并在数字2～9按键上关联多个输入字母的一种键盘布局。
随便看	frequency response function frequency response function measurement frequency response method frequency response of motor system frequency response plot frequency reuse factor frequency scale frequency scanning antenna frequency selective surfaces frequency selectivity frequency sensitive starter frequency sensitivity frequency shift frequency-shift keying frequency-shift keying, FSK frequency-shift keying modulation and demodulation frequency shift of scattering light frequency shift theorem frequency-shift track circuit frequency-size distribution frequency spectrum frequency stability frequency stability criterion frequency stability measurement frequency stabilization

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