“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	balance error balance method balance pipe balancer balancer set balance shot balance spring balance tool balance-to-unbalance transformer balance wheel balancing balancing a survey balancing band balancing capacitor balancing delay balancing plug cock balancing unit balancing valve Balanidae balanitis Balanoglossus Balanomorpha Balanopaceae Balanopales Balanophoraceae

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