名词中文翻译
中文翻译：永动机日历
同义词：
['eternal calendar', 'perpetual clock', 'eternal clock']
例句：
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1. The perpetual calendar is a device that shows the date without needing to be set.
永动机日历是一种不需要设置日期就能显示日期的设备。
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2. The perpetual calendar was invented by an ancient Chinese mathematician.
永动机日历是由一位古代中国的数学家发明的。
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3. The perpetual calendar is used in some religious practices as a symbol of eternity.
永动机日历在一些宗教实践中被用作永恒的象征。