In a word, the induced e. m. f. lags behind the current.
总之，感应电动势滞后于电流。
《新英汉大辞典》
2
Phase difference between the e. m. f. of an alternator taken as a reference and that of another alternator or that of an infinite bus.
作为参考的交流电机电动势与另一台交流电机或无限大母线电动势之间的相角差。
3
This paper deals with computation of elastic Plastic F. E. m. for this centre cracked plate by ADINA Program. The computing result for this plate of plane stress model and test result were...