名词
中文翻译：集中键
同义词：
['focus key', 'concentration keypad', 'focus keypad']
例句：
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1. The concentration key is a device thathelps people focus on one task at atime.
集中键是一种帮助人们一次专注于一项任务的设备。
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2. The concentration key is used inmany applications to improve productivity and efficiency.
集中键在许多应用中使用，以提高生产力和效率。
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3. The concentrationkey is a popular choice forthose who need to concentrate on theirwork without being distracted by other tasks.
对于需要集中精力工作而不被其他任务分心的人来说，集中键是一个受欢迎的选择。