The result of calculation (Table 1) shows that the magnetic field of the combined coil may be made more homogeneous and the extent of such homogeneous field is larger than that of the ordinary coil.

计算结果（表1）表明，这种组合线圈的磁场均匀性较高，均匀磁场空间也相应地较大。

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The result of calculation (Table 1) shows that the magnetic field of the combined coil may be made more homogeneous and the extent of such homogeneous field is larger than that of the ordinary coil.

计算结果（表1）表明，这种组合线圈的磁场均匀性较高，均匀磁场空间也相应地较大。

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