... 传入阻滞 entrance block 磁频率 magnet rate 大动脉错位 malposition of great arteries ...
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得出了线圈型样品交流损耗与峰值磁场、励磁频率，材料扭矩，基体材料，细芯直径诸量间的依赖关系。
The dependence of the ac loss of coil-type samples on the peak value of magnetic field, magnetizing frequency, pitch of materials, matrix and diameter of filament were obtained.
结果表明：不检测转子磁链的滑差频率矢量控制系统具有结构简单、控制性能优良等特点。
The result show that the system possesses the features of simple structure and excellent control characteristics etc without detecting the slip frequency of the rotor's magnetic field.
它具有开关频率恒定，转矩和磁链波动小等特点。
It features in low torque ripple, low flux ripple and fixed switching frequency.
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