名词
中文翻译：最小成本操作
同义词：
['minimum cost operation', 'least costly operation']
例句：
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1. The least-cost operation is to install a new system that can reduce energy consumption.
最经济的操作是安装一个能减少能源消耗的新系统。
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2. The company's decision to implement the least-cost operation was met with mixed reactions from employees.
公司决定实施最经济的操作，员工对此反应不一。
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3.The least-cost operation should be the one that minimizes costs and maximizes efficiency.
最经济的操作应该是成本最小化和效率最大化的。