Meanwhile, the company that pioneered much of today's electric-vehicle knowhow, AC Propulsion of San Dimas, California, has steered clear of permanent-magnet technology.
与此同时，引领当今电动车辆专业技术潮流位于加利福尼亚州圣迪玛斯的AC Propulsion公司已经对永磁技术作出明确表态。
The principle and constitution of model EQD-3 electron beam gun and the preparation of nu-clear targets with the electron gun of magnet deflection are described.
文章叙述了磁偏转电子枪的原理和结构以及用eqd - 3型电子枪研制各种核靶的工艺过程。
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