名词短语
中文翻译：操作天数同义词
同义词：
['operating days', 'operational period']
例句：
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1. Thecompany has a policy of providing operating daysfor employees to attend training courses.
该公司有政策为员工提供培训课程的运行天数。
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2. The project will require several months ofoperating days before it can be completed.
该项目需要几个月的运行天数才能完成。
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3. Thenew system will reduce the number of operatingdays required for maintenance and repairs.
新系统将减少维护和修理所需的运行天数。