impulse

简明英汉词典

impulse

[5impQls]

n.

推动, 刺激, 冲动, 推动力

vt.

推动

美国传统词典[双解]

impulse

im.pulse

AHD:[1m“p?ls”]

D.J.[6im7p(ls]

K.K.[6!m7p(ls]

n.（名词）

(1)An impelling force; an impetus.

动力：驱使性的力量；动力

(2)The motion produced by such a force.

推动：由这种力量造成的移动

(3)A sudden wish or urge that prompts an unpremeditated act or feeling; abrupt inclination:

冲动：突然的心愿或欲望导致的未经考虑的行动和感受；突兀的倾向：

had an impulse to run away; an impulse of regret that made me hesitate; bought a hat on impulse.

有一种跑开的冲动；突发的后悔之情令我犹豫不决；心血来潮买了一顶帽子

(4)A motivating force or tendency:

本能：驱动力或倾向：

“Respect for the liberty of others is not a natural impulse in most men”(Bertrand Russell)

“对大多数人来说，尊重他人的自由并不是一种自然的本能”(伯特兰·罗素)

(5)Electronics A surge of electrical power in one direction.

【电子学】 脉冲：电力的单向涌动

(6)Physics The product obtained by multiplying the average value of a force by the time during which it acts. The impulse equals the change in momentum produced by the force in this time interval.

【物理学】 冲量，推进力：力的平均值与它的作用时间相乘的结果。等于力在其作用时间段内产生的动量的变化

(7)Physiology The electrochemical transmission of a signal along a nerve fiber that produces an excitatory or inhibitory response at a target tissue, such as a muscle or another nerve.

【生理学】 神经脉冲：信号沿着神经纤维的电化性的传播，在目标组织上产生兴奋的或抑制的反应，如在肌肉或另一神经上

adj.（形容词）

Characterized by impulsiveness or acting on impulse:

冲动的：以冲动或即兴行动为特征的：

an impulse shopper; impulse buying.

即兴的购物者；即兴购物

语源

Latin impulsus [from past participle of] impellere [to impel] * see impel

拉丁语 impulsus [] 源自impellere的过去分词 [驱使，迫使] *参见 impel

现代英汉词典

impulse

[5ImpQls]

n.

(1)冲动；刺激

She bought the dress on impulse.

她一时冲动买了这件衣服。

(2)冲动；欲望

a man of impulse

易冲动的人

现代英汉综合大辞典

impulse

[5impQls]

n.

(1)推动; 推进

(2)刺激; 鼓舞

(3)【物】冲量; 推进力; 脉冲;【医】搏动

(4)【生理】冲动; 兴奋

give an impulse to trade

促进贸易

a man of impulse

易冲动的人

act on impulse

凭冲动行事

impulse buyer

一时冲动的买主

on the impulse of the moment

由一时高兴

A sudden impulse of anger arose in him.

他突然升起一阵怒火。

词性变化

impulse

[5impQls]

vt.

(1)推动; 冲击

(2)发出脉冲

继承用法

impulse-buying

n.

未经考虑或计划的购买行动

impulser

n.

脉冲发生[传感]器 -sion

词性变化

impulse

[5impQls]

n.

(1)推动; 冲动

(2)刺激; 鼓舞

(3)推动力; 冲力

特殊用法

acknowledging impulse

确定脉冲

acoustic impulse

声脉冲

acquisitive impulse

营利冲动

add impulse

加法脉冲

affective impulse

情感冲动

afferent impulse

传入冲动

angular impulse

角转冲击

anode current impulse

阳极电流脉冲

anticoincidence impulses

反符合脉冲

antidromic impulse

逆行冲动

apex impulse

【生理】心尖搏动

blocking impulse

闭塞脉冲

break impulse

切断脉冲

brightening impulse

照明脉冲, 亮冲击

calibration impulse

校准脉冲

cardiac impulse

心冲动, 心兴奋波; 心搏动

charging impulse

充电脉冲

code impulse

电码脉冲

coincidence impulse

重合脉冲

command impulse

指令脉冲

control impulse

控制脉冲

cosine impulse

余弦脉冲

count impulse

计数脉冲

current impulse

电流脉冲

delta impulse

三角形脉冲

denotation impulse

指示脉冲

density specific impulse

【航空】容积比冲

dial impulse

拨号脉冲

digit impulse

数位脉冲

direct impulse

正向脉冲

dotting impulse

点信号脉冲

doublet impulse

双重线脉冲

drive impulse

驱动脉冲

earth-reflected impulse

大地反射脉冲

echo impulse

反射[回波]脉冲

effective impulse

有效脉冲

efferent impulse

传出冲动

electromagnetic impulse

电磁脉冲

electron impulse

电子脉冲

energizing impulse

激励脉冲

energy impulse

能量脉冲

escapement impulse

擒纵机构冲击

even number impulse

偶数脉冲

false impulse

虚假脉冲

fertilization impulse

受精冲动

field blanking impulse

场消隐脉冲

field-synchronizing impulse

场频(率)同步脉冲

frame blanking impulse

帧熄灭脉冲

frame synchronizing impulse

帧同步脉冲

frequency impulse

频率脉冲

fuel specific impulse

燃料比冲量

gating impulse

选通脉冲, 门脉冲

grid currrent impulse

栅流脉冲

high-voltage impulse

高压脉冲

horizontal blanking impulse

行消隐脉冲

horizontal driving impulse

水平推动脉冲, 行推动脉冲

horizontal-synchronizing impulse

行同步脉冲

ideal specific impulse

理想比冲量, 理想单位冲量

identification impulse

识别脉冲

inceptive impulse

初始脉冲; 占线脉冲

indicating impulse

表示脉冲

initial impulse

起始脉冲

instantaneous impulse

瞬时传冲

light impulse

光脉冲

line synchronizing impulse

行同步脉冲

lockout impulse

同步脉冲

longitudinal impulse

纵向冲动

loop impulse

环形脉冲

make impulse

闭路脉冲, 接通电流脉冲

mark impulse

标记[传号]脉冲

measuring impulse

测量脉冲

microsecond impulse

微秒脉冲

negative impulse

负脉冲

nerve impulse

神经冲动

non-print impulse

禁止打印脉冲

odd number impulse

奇数脉冲

oscillating impulse

振荡脉冲

output impulse

输出脉冲

picture synchronizing impulse

图象同步脉冲

polar impulse

极性脉冲

positive impulse

正脉冲

potential impulse

电压脉冲

preliminary impulse

前发脉冲

radio impulse

无线电脉冲, 高频脉冲

recording impulse

记录脉冲

reference impulse

基准脉冲, 参考脉冲

reflected impulse

反射脉冲

registry impulse

记录脉冲

releasingimpulse

释放脉冲; 解锁脉冲

repetition impulse

重复脉冲, 中继脉冲

reset impulse

复原脉冲

reverseimpulse

反脉冲, 反向脉冲

right-angle impulse

直角脉冲

saw shaped impulse

锯齿形脉冲

saw tooth impulse

锯齿形脉冲

selective impulse

选通脉冲

signal impulse

脉冲信号, 信号冲量

sine-shaped impulse

正弦脉冲

sinusoidal impulse

正弦脉冲

sounding impulse

探测脉冲

space impulse

空间脉冲

spacing impulse

间隔脉冲

starting impulse

启动脉冲

station selection impulse

选站脉冲

steering impulse

控制脉冲

step-by-step impulse

步进脉冲

stop impulse

停住(信号)脉冲

strain impulse

应变冲量

strong impulse

强力推动

swarming impulse

分蜂冲动

switch impulse

转换脉冲

synchronizing impulse

同步脉冲

tension impulse

电压脉冲

terminal impulse

终点冲量

timing impulse

定时脉冲

total impulse

总冲量

transverse impulse

横脉冲

trigger impulse

触发脉冲, 启动脉冲

trophic impulse

营养性冲动

unequal impulse

不等脉冲

unit impulse

单位脉冲

unit doublet impulse

双元脉冲

unit triplet impulse

三元脉冲

vibratory impulse

振动脉冲

visible impulse

可见脉冲

vital impulse

活力

voltage impulse

电压脉冲

welding impulse

电焊脉冲

用法词典

impulse

来自拉丁语 impulsus