Energy feedback system was researched in this paper.
本文主要研究了能量回馈系统。
Energy feedback system can play an important role in cutting down waste of energy and utilizing green-energy.
能量回馈系统可以在减缓矛盾方面发挥重要作用，无论在减少能源的浪费方面或是在新能源的利用开发上。
The paper introduces a new type of technique for elevator energy-saving, Active Power energy Feedback System, and the economic and social benefit resulted by elevator energy-saving.
本文介绍了一种新型的电梯节能技术——有源能量回馈器系统以及电梯节能技术在实际应用中所带来的经济效益和社会效益。
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