On the whole, all-factor productivity of banking sector is rising, technical efficiency is falling and scale efficiency remains unchanged.
总体上看，银行业全要素生产率呈上升趋势，技术效率呈下降趋势，规模效率无明显变化。
While high efficiency motors have higher efficiency and highly improved the power factor, and make all system saving energy.
而高效电机既提高了效率，又大幅地提高了功率因素，使整个系统都非常节能。
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