By numerical analysis, a series of curves are given to describe the magnetic flux density distribution character of the flat spiral coil.
通过数值分析，给出了一系列描述平面螺旋线圈磁场分布特性的曲线，讨论了线圈结构对磁场分布的影响规律。
The results showed that shielded screen can regulate the magnetic flux density distribution to assure melt in ideal state in forming inductor.
结果表明：屏蔽罩能够调节成形感应圈内的磁场分布，使成形感应圈内的熔体处于合理状态；
The distribution of the magnetic flux density in the magnetic field generator which provided traveling magnetic field have been studied.
研究了移动磁场发生器的电磁特征及磁场空间分布规律；
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