把导体看成是大量受迫阻尼振动的振子的集合.Envision the conductor as an assemblage of driven , damped oscillators.这个振子将获得能量.This oscillator will pick up energy.所有的振子都处于基态.All oscillators are in bottom state....
她的鞋后跟在大理石地面上发出咔嗒咔嗒的响声。Her heels clacked on the marble floor.他事后跟柔嘉叽咕道: “ 这不像话!Afterwards he would grumble to Jou - chia, " This is absurd!他用靴子的后跟将它踢上。He kicked it shut with the heel of his boot....