由于印刷线路板的线宽和线间间隔的细微化，以往不引人注意的离子迁移现象已经对线路板的绝缘性能造成影响。
Due to the wire width and the space between wires on PWB becoming finer the insulating capability of PWB is affected by ionic migration, that was not paid enough attention to for a long time.
给出了吸收谱线在不同中心频率、不同谱线宽度情况下，归一化信号S与布里渊频移 之间的函数图。
The resulting signals ratio S is plotted in a series of figures under different center frequencies and different widths of the absorption lines.
分析了栅格线宽度、栅格线间距、栅格化方式等参数对天线的谐振频率、增益的影响。
The effect of the mesh line-width, mesh line-spacing and the meshing style on the resonant frequency and gain of the antenna is analyzed.
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