impulsing relay脉冲断电器;冲击继电器
impulsing oscilloscope脉冲示波器
impulsing rate冲量率
impulsing aignal激励信号
impulsing strategy激励策略
direct current impulsing直流拨号脉冲
impulsing power source[电] 脉冲电源
revertive impulsing circuit反脉冲电路
revertive control of impulsing脉冲反控制
N-VAR（有变体名词） An impulse is a sudden desire to do something. 冲动
Unable to resist the impulse, he glanced at the sea again.
他抑制不住冲动，又看了一眼大海。
N-COUNT（可数名词） An impulse is a short electrical signal that is sent along a wire or nerve or through the air, usually as one of a series. 脉冲
It works by sending a series of electrical impulses which are picked up by hi-tech sensors.
它通过传输由高技术传感器收集的电脉冲而起作用。
ADJ（形容词） An impulse buy or impulse purchase is something that you decide to buy when you see it, although you had not planned to buy it. 一时心血来潮的 [ADJ n]
The curtains were an impulse buy.
这窗帘是一时心血来潮买下的。
PHRASE（习语） If you do something on impulse, you suddenly decide to do it, without planning it. 凭一时冲动
Sean's a fast thinker, and he acts on impulse.
肖恩是个思维敏捷、凭一时冲动行事的人。