名词短语
中文翻译：车辆非工作率
同义词：
['vehicle efficiency', 'vehicle usage rate']
例句：
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1. The company's vehiclenon-working rate has been steadily increasingover the past year.
该公司的车辆非工作率在过去一年内稳步上升。
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2. The newpolicy aims to improve the vehicle non-working rate and reduce emissions.
新政策旨在提高车辆非工作率并减少排放。
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3.The research shows that improving vehicle non-working rate can effectively reduce traffic congestion.
研究表明，提高车辆非工作率能有效减少交通拥堵。