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1.The new energy-saving light bulb has greatly improved the energy utilization efficiency of our office.
新型节能灯泡极大地提高了我们办公室的能源利用效率。
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2.In order to achieve high energy utilization efficiency, it is necessary to optimize the design of the power system.
为了实现高能源利用效率，有必要优化电力系统的设计方案。
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3.The company's energy utilization efficiency has been continuously improving, which is a positive trend for the future development of the industry.
该公司的能源利用效率不断提高，这是行业未来发展的良好趋势。