探讨了无功降损节电的效益分析方法并推导出公式，实践证明对电网进行无功补偿降损节电切实可行，效益显。

The benefit analysis on reducing loss and saving electricity by reactive compensation is discussed, with its concerning formula derived.

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这篇文章提出了公法线长度并推导出超前角的计算公式。

In this paper base tangent length is put forward and lead angle calculating formula is deduced.

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但是在此次衰退中，失业率的上升幅度远比欧坤法则的众多公式推导出的幅度大的多。

But it has risen more during this recession than most formulations of Okun’s Law would suggest.

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