励磁电源部分采用交流励磁方式,构建励磁主回路.The power supply circuit is on the principle of AC excitation.研究磁电滞回线在交变外场下的动力学性质的课题称为回线动力学.Hysteresis phenomenon is very common in many ferroelectric materials.为确保机车安全可靠地运行,提出了加装故障励磁电路的建议.The prop...
当他们又重新骑上马时，马突然轻快地小跑起来。As they started up again, the horse broke into a brisk trot.伊芙步履轻快地穿过走廊来到儿子的房间。Eve walked briskly down the corridor to her son's room.小帆船在和风中倾侧着轻快地向前开。The little sailing-boat moved briskly alon...