名词
中文翻译：单位成本同义词
同义词：
['unit price', 'unit cost', 'unit rate']
例句：
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1. The company's unit cost of production has increased significantly in the past year.
该公司的单位生产成本在过去一年内显著增加。
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2. The new policy will reduce the unit cost of energy by 20%.
新政策将降低能源的单位成本，减少20%。
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3. The cost of materials is a significant factor in determining the unit cost of goods.
材料成本是决定商品单位成本的重要因素。