小麦生产成本是评价小麦生产比较优势的综合性技术经济指标。
The cost of wheat production is the comprehensive technical and economic index for evaluating the advantage of wheat production.
作者提出直流牵引电动机的各项经济指标均应以单位容积功率为标准来评价。
The author puts forward here that the specific volumetric power should be regarded as the criterion of evaluation for all of the economic norms.
该方法可作为电力公司和用户评价电能质量的参考，并为电力市场环境下合理评价电压凹陷提供了经济指标。
This method can provide the reference for electric utilities and users for evaluation of power quality, offering the economic parameters to evaluate voltage sag under electric markets environment.
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