“keypad”的概念、定义、翻译、参考文献-科学参考

单词	keypad
释义	keypad [`kē´pad] ^{COMPUTER SCIENCE} A cluster of special-purpose keys to one side of the regular typing keys on a terminal keyboard.
随便看	back-pressure-relief port back-pressure testing back-pressure valve back putty back radiation back rake back range back reef back-reflection photography back resistance backrope back-run process back rush backs backsaw backsawing backscatter gage backscattering backscattering thickness gage backscatter radar backset back-set bed backshore backshore beach backshore terrace

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