longitudinal AC magnetic field 交流纵向磁场
AC longitudinal magnetic field 纵向交流磁场
AC driving magnetic field frequency 交流驱动磁场频率
Regardless of DC or AC magnetic field, the hard phase in weld metal overlay is fine and distributed "the hexagon" in optimum parameters, then hardness and wear extent in weld metal overlay are higher.
在最佳的磁场参数作用下，无论是直流磁场还是交流磁场，堆焊层中硬质相细小且成“六角形”分布，此时堆焊层金属的硬度和磨损量均达到最佳状态。
MHD propulsion types are classified into the AC MHD propulsion and the DC MHD propulsion by supplied magnetic field.
根据外加磁场特性的不同，磁流体推进可分为直流和交流两种方式。
Rotating magnetic field is not caused by mechanical methods, but in AC pass in a few of the electromagnet, the nature of its magnetic cycle of change can be seen as rotating magnetic field.
转动磁场并不是用机械方法造成的，而是以交流电通于数对电磁铁中，使其磁极性质循环改变，可看作为转动磁场。
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