磁线圈将电子束聚焦成细小的点。

Magnetic coils focus the electron beams into fine spots.

《柯林斯英汉双解大词典》

结论：多信道经颅磁刺激线圈阵列在人体头部产生的电磁场可控性强，聚焦性能强，而且可同时刺激不同的靶目标。

Conclusion: the magnetic and electric fields produced by transcranial brain multichannel magnetic stimulation are easy to focus and control, and they can focus on two or more targets simultaneously.

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通过两种磁线圈电场强度三维分布的仿真，确定了磁刺激的效果和影响磁刺激聚焦性和深度的因素。

By 3 D simulation of the induced electric field of two kinds of coils, the effect of magnetic stimulation can be demonstrated and the factors influencing stimulating focality and depth are identified.

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