Each and every idle loss ratio has been checked against actual measurement for accuracy and effectiveness in identifying local defects in windings and cores of transformers.

并结合实际测量数据，详细分析了单相空载损耗比对发现变压器线圈和铁心局部缺陷的准确性和有效性。

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Given this, it would seem logical that ROE would be a useful ratio for identifying stocks likely to outperform in the future.

FORBES: Beware: Weak Link Between Return On Equity And High Stock Price Returns