然而，对工厂实用电源可能包括由外部电源引起的额外的谐波电压畸变量。
However, the utility source for a plant may contain additional harmonic voltage distortion arising from external sources.
用计算机程序来分析功率系统的谐波，可以计算出给定谐波源和网络结构的电压畸变量。
Computer programs, which are used to analyze harmonics in a power system, will calculate the voltage distortion for given harmonic sources and a network configuration.
在生产中，齿轮和齿轮轴的渗碳和淬火畸变是难以避免的，减小其畸变量是一个技术难题。
The distortion of gears and gear shafts resulting from carburizing and quenching is difficult to avoid in production, and the reduction in distortion is a difficult problem in technique.
在生产中，齿轮和齿轮轴的渗碳和淬火畸变是难以避免的，减小其畸变量是一个技术难题。
The distortion of gears and gear shafts resulting from carburizing and quenching is difficult to avoid in production, and the reduction in distortion is a difficult problem in technique.
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