名词
中文翻译：拨号音调键
同义词：
['dialed tone', 'dial tone key例句：1. The dial tone key is used to adjust the volume of a telephone system.（拨号音调键用于调整电话系统的音量。）2. In the digital age', 'dial tone keys are becoming less common as people prefer to use touch screens.（在数字化时代，拨号音调键正变得越来越不常见，因为人们更喜欢使用触摸屏。）']
例句：
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1. The dial tone key is used to adjust the volume of a telephone system.
拨号音调键用于调整电话系统的音量。
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2. In the digital age, dial tone keys are becoming less common as people prefer to use touch screens.
在数字化时代，拨号音调键正变得越来越不常见，因为人们更喜欢使用触摸屏。
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3.The engineer had to dial the tone key for the new software update.
工程师必须拨动新软件更新的拨号音调键。