Different signal path lengths will cause the signal phase to shift. 不同的信号通路长度将会造成信号相移。
When the closed circuit is broken at any point-that is, when the path of conducting material is interrupted-there will be no current. 当闭合电路在任一点上断开,也就是说,当导电材料的通路中断时,就不会有电流。