无线电传真通过无线电波传送的照片，图像上的点由接收到的每一个电脉冲重新合成 A photograph transmitted by radio waves, each image point being reproduced by a received electric impulse.
送话器电话的一个部件，它把入射的声音转化为电脉冲，并传到一个远方的接收者那里 The portion of a telephone that converts the incident sounds into electrical impulses that are conveyed to a remote receiver.
数据传送总线，总线，母线联结计算机主要部件的一组平行导线，使得电脉冲得以在相联部件之间传输 A parallel circuit that connects the major components of a computer, allowing the transfer of electric impulses from one connected component to any other.
