讨论了有限长载流疏绕螺线管内轴线上的磁场，并与载流密绕螺线管内轴线上的磁场作了比较。
This paper discusses the magnetic field on the axis in a current-carrying sparse winding solenoid with limited length.
讨论了有限长载流疏绕螺线管内轴线上的磁场，并与载流密绕螺线管内轴线上的磁场作了比较。
This paper discusses the magnetic field on the axis in a current-carrying sparse winding solenoid with limited length.
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