Pulse repetition rate
   
taux de répetition de pulse
   
脉冲重复频率
   
Pulsrepetitionsrate
  Dielectric

A dielectric material is a substance where charges are bound so that its conductivity is ideally zero. Even if a field applied to the dielectric produces no migration of charge it can produce a polarization of the dielectric which consists in a displacement of the electrons with respect to their equilibrium positions.  In a dielectric charges are not free to move far enough to completely cancel the effect of any external electric field but they can move far enough to cause a par...
 
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