pulsation

英

美

n.  搏动；脉冲；脉动；间断；（交流电的）角频率

复数：pulsations　

GRE化学

BNC.37980 / COCA.27303

柯林斯词典

• VERB （有节奏地）搏动，跳动，震动
  If somethingpulsates, it beats, moves in and out, or shakes with strong, regular movements.
  1. ...a star that pulsates.
     一颗脉动的恒星
  2. ...a pulsating blood vessel.
     搏动着的血管

英英释义

noun

• the rhythmic contraction and expansion of the arteries with each beat of the heart
  1. he could feel the beat of her heart
  Synonym:pulseheartbeatbeat
• (electronics) a sharp transient wave in the normal electrical state (or a series of such transients)
  1. the pulsations seemed to be coming from a star
  Synonym:pulsingpulseimpulse
• a periodically recurring phenomenon that alternately increases and decreases some quantity

双语例句

• The population pulsation effect in the gain medium was considered to research the fine mode coupling effects in the laser gyro.
  为研究激光陀螺精细模耦合作用，考虑了增益介质中的粒子数脉动效应。
• We feel the long pulsation, ebb and flow of endless motion.
  我们感到长久的悸动，和永无止境的潮起潮落。
• Objective Discuss sterilization effect of B-class pulsation table top vacuum pressure steam sterilizer for dental handpiece.
  目的探讨B级脉动真空压力蒸汽台式灭菌器对牙科手机的灭菌效果。
• At low frequencies, such as 10 per sec., pulsation is sensed rather than vibration.
  在低频率（譬如每秒十次）时，所感觉到的是脉冲而非振动。
• Acquisition and analysis of signals in tubular pump pressure pulsation test
  贯流泵压力脉动测试信号的采集及处理分析
• It needs a reasonable explanation for the relation between such similarity and the tectonic pulsation.
  这种相似性与成矿构造脉动性的统一需要给予合理的解释。
• Research on Hydraulic Accumulator Absorbing Pressure Pulsation in the AGC Hydraulic System
  蓄能器在AGC液压系统中吸收液压冲击的研究
• Pressure pulsation similarity relationship between model and prototype Kaplan turbines
  轴流式原型和模型水轮机的压力脉动相似性分析
• Arterial-alveolar N2 difference Analyses of the Gas Pulsation and Pipeline Vibration of Reciprocating Compressors and Solutions
  动脉血－肺泡气氮分压差往复式压缩机气流脉动与管路振动问题分析与解决
• Analysis of influence of PWM method on toque pulsation of six-phase BLDC;
  PWM调制方式对六相无刷直流电动机转矩脉动的影响分析；