您要查找的是不是：
- magnetic AC hum 感应交流哼声
- B.Sneyers, D.W.Novotny, and T.A.Lipo, "Field weakening in buried permanent magnet AC motor drives," IEEE Trans.Industry Applications, vol. 21, pp. 398-407, July, 1985. 吴南亿，”以数位信号处理器为基础之电动机车无刷马达驱动器”，国立中山大学电机所硕士论文，民国八十九年。
- permanent magnet AC servo control system 永磁交流伺服系统
- permanent magnet AC servo system 永磁交流伺服系统
- The Main Trend of The Permanent Magnet AC Servo motor 永磁交流伺服电动机发展前景
- Applicatication analysis of permanent magnetic AC contactor 永磁式交流接触器的应用分析
- Study of Control Strategy of AC Servo System for Permanent Magnet AC Motor 正弦波永磁交流伺服系统控制策略的研究
- Dalian is a magnet for tourists. 大连是吸引游客的地方。
- induction AC hum 感应交流声
- This disco is a magnet for young people. 这家迪斯科舞厅经常吸引大批年轻的顾客。
- A magnet attracts both iron and steel. 磁铁吸铁也吸钢。
- Certain metals are attracted to a magnet. 某些金属会受磁石的吸引。
- It shows the presence of a magnetic field. 这表明有磁场存在。
- North magnetic poles repel (each other). 磁北极与磁北极互相排斥。
- Having the same magnetic inclination or dip. 等磁倾的有相同的磁倾斜的
- The Application of the New Types Rotary Encoders to the Permanent Magnet AC Servo System 永磁交流伺服系统中新型光学旋转编码器的应用
- That footballer has been transferred to AC Milan. 那个足球运动员已经转会到AC米兰队。
- The block becomes magnetic when the current is switched on. 通电时线圈即具磁性。
- Human beings have learned out how to make magnet of cast iron. 人类已经学会如何从生铁制出磁铁。
- Forbidden City is a great magnet for foreign tourists. 紫禁城对外国旅游者来说是个有巨大吸引力的地方。
