The results indicate that the effective electric field (e), the width of the emission region and the distribution rate in voltage are frequency dependent.

指出了发光区有效电场强度、发光区的宽度及电压分配系数等都是与频率有关的物理量。

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Over half rate e-mail as essential to their work and most agree that e-mail is effective for both the simplest of tasks and for more complicated projects.

BBC: US workers spared junk e-mails