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In the analysis of internal faults of electric machine, the limits on the ideal electric machine have to be broken.

回顾了发电机内部短路研究的发展状况，阐述了大型汽轮和水轮发电机内部故障研究的最新进展和新问题。

The fragment encoding the polypeptide of wheat MLO protein C terminus located in cytoplast was cloned into the vector pET-30a and expressed in the strain BL21 of E coli.

本研究将编码小麦MLO蛋白羧基端约130个氨基酸多肽的基因片断克隆到表达载体pET-30a中，在大肠杆菌中表达了该多肽的融合蛋白。