Though the range of water head is not too wide, maximum efficiency of Goupitan hydroelectric plant is very high and weighted efficiency focus on rated head wide range in flow.
尽管构皮滩电站的水头变幅并不大，但最高效率要求较高，而且设计水头附近横向权值大。
At present, the researches on school efficiency mainly focus on the value-added assessment and frontier efficiency analysis.
目前国内学校效率的研究重点主要集中在增值性评价和前沿效率分析两个方向。
At present, the researches on school efficiency mainly focus on the value-added assessment and frontier efficiency analysis.
目前国内学校效率的研究重点主要集中在增值性评价和前沿效率分析两个方向。
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