permanent magnetic field meaning in English

永磁场
永久磁场

Propagation of annular ireb in periodic permanent magnetic field
周期永磁磁场导引环形强流电子束研究
The magnetic mechanical engineering technology is to use the new permanent magnetism materials to get the strong permanent magnetic field force
磁机械工程技术它是利用新型永磁材料，获得强大的永磁场力。
In this paper , based on analysis the distributing rule of permanent magnetic field , a novel method for dynamic tracing micro drug delivering device in alimentary canal has been proposed
本文在分析永磁体空间磁场分布规律的基础上，提出了利用磁定位原理实现动态跟踪微型药物释放装置在消化道运动状态的方法。
Under the function of the permanent magnetic field force , skillfully superpose and combine all sorts of machinery motion modes and make them get and reflect the mechanism originality of the unprecedented multidimensional space motion
在永磁场力的作用下，巧妙地迭加、组合、各种类型的机械运动形式，使之获得并体现前所未有的多维空间运动机构创意。