最后，给出一个利用此电阻层制作场发射聚焦电极的实例。
Finally, an example is given to show the use of the resistive layers in the fabrication of the focus grid.
二是设计出全新的流动成像测量探头，通过设置屏蔽电极和聚焦电流，可以有效克服“软场”效应影响。
Secondly, a new type of flow image logging sensor has been designed, which is set with shielding and focusing electrodes and capable of reducing the influence caused by "soft field" property.
它包括四个部分：限流孔、聚焦环、电极环以及喷嘴。
It comprises of four parts, namely: flow limitation hole, focus ring, electrode ring and nozzle.
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