名词 impulse:

1. an instinctive motive

2. a sudden desire

3. the electrical discharge that travels along a nerve fiber

4. (electronics) a sharp transient wave in the normal electrical state (or a series of such transients)

5. the act of applying force suddenly

6. an impelling force or strength

impulsen.冲动；心血来潮；神经冲动；[物]冲量；[电]脉冲vt.推动impulse type冲击式,脉冲式impulse duty脉冲占空比impulse time脉冲定时器impulse hits脉冲差错impulse load冲击载荷,脉冲载荷impulse sale即兴销售,冲动性出售impulse pair冲激对impulse wave冲击波,脉冲波impulse code脉冲编码,脉冲电码,脉冲符号,脉冲码impulse knock脉冲爆震

1. It's a device that converts sound to electrical impulses.
   它是一种转化声音到电子脉冲的一种设备。
2. In television, the scene is translated into electric impulses.
   在电视里，场景被转变为电脉冲。