当把磁场聚焦在大脑的的视觉皮质上时，会促使受试者看见明亮的圆盘和线条。
Focusing magnetic fields on the visual cortex of the brain caused the subjects to see luminous discs and lines.
他们使用了经颅磁刺激(TMS)技术，用紧密聚焦的磁场来使大脑的局部地区暂时失去功能。
They achieved this using transcranial magnetic stimulation (TMS), a technology that USES a tightly focused magnetic field to temporarily disable individual regions of the brain.
必须小心，以防止聚焦线圈产生寄生磁场。
Care must be taken to protect the focusing coils from stray magnetic fields.
对如何提高RBWO输出功率和效率、降低聚焦磁场的方法作了较为深入的探讨。
Deep research on how to improve the efficiency and output power and to reduce the focusing magnetic of RBWO.
运用较简明的数学推导，给出了在该磁场分布下带电粒子流聚焦的条件。
Using simple math deduction results in the focusing conditions of charge-particle flow in the distribution of magnetic fields.
针对雷达电磁聚焦系统磁场分布的特殊检测要求，开发了一套基于视觉定位的磁场分布自动检测系统。
According to the special measurement requirements of the magnetic field distribution of radar electromagnetic focusing system, a automatic measurement system based on vision localization is developed.
我们探讨了弱聚焦磁场中带电粒子轴向和径向运动的稳定性问题，得到稳定性条件。
We discussed the stability of both radial movement and axis movement of charged particle in infirm focusing magnetic field and obtained the term of stability.
结果表明，在恒流激励方式下的激励磁场最强，且具有聚焦效果，因而可有效地提高涡流探伤的灵敏度。
The result shows that under the constant current exciting mode, the exciting magnetic field is the strongest and has a focusing effect, which improves the eddy detection sensitivity considerably.
本文探讨了在某种特定磁场分布下带电粒子流的磁聚焦问题。
In this paper, the authors explore the problem of magnetic focusing of charged-particle flow in some specific distribution of magnetic fields.
设计部分屏蔽轴向聚焦磁场。
得到了这种材料磁聚焦参数随器件长度和激励磁场(电流)变化的实验结果。
Experimental results of dependences of the concentration parameter on device length and excited field (current) were obtained, respectively.
文中计算公式对于计算机辅助设计摄像管聚焦磁场是适用和方便的。
The calculating formulas in the paper are available and convenient for computer aided design of focusing magnetic field of camera tube.
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.
结果表明，此现象产生于螺线管交变磁场中的自感应作用，对于碰聚焦点不产生影响。
It is shown that the phenomenon is due to self-induced action in alternative magnetic field of electric solenoid and is of no effect to the point of magnetic focusing.
结果表明，此现象产生于螺线管交变磁场中的自感应作用，对于碰聚焦点不产生影响。
It is shown that the phenomenon is due to self-induced action in alternative magnetic field of electric solenoid and is of no effect to the point...
等离子体加载微波器件能显著地改善带宽、效率和功率等综合性能，并且可以降低或省去外部聚焦磁场。
In the case of the plasma-filling, the frequency bandwidth, the overall efficiency and the gain can be improved significantly, and meanwhile the guiding magnetic fields can be reduced or eliminated.
等离子体加载微波器件能显著地改善带宽、效率和功率等综合性能，并且可以降低或省去外部聚焦磁场。
In the case of the plasma-filling, the frequency bandwidth, the overall efficiency and the gain can be improved significantly, and meanwhile the guiding magnetic fields can be reduced or eliminated.
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