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pulsation

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 LPV direct torque control used a method of stator voltage space vectors subdivision to decrease the torque pulsation.
      结合定子电压空间矢量细分方法,可减少电磁转矩的脉动,实现了LPV直接转矩控制。
    • Research on Instant Flow Characteristic and Pulsation of Arch Gear Pump
      弧齿齿轮泵瞬间流量及其脉动特性研究
    • 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
    • Steady delivery without pulsation, little vibration and noise.
      输送液体平稳、无脉动、振动小、噪音低。
    • 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。
    • Drive by or as if by pulsation.
      推动或者有节奏的跳动。
    • With high pressures and/ or applications that require frequent and fast filling of the pulsation dampener, the inlet of the in-built compressor may be fed by compressed air.
      对高压和/或需要缓冲器频繁和快速充气的应用场合,内置压缩机进气可采用压缩空气。
    • The analytical study on the gas pulsation and piping vibration in a natural gas pipeline was presented, based on which the measures are suggested to control the excessive vibration.
      对存在严重振动问题的某天然气压缩机的进气管路进行了气流脉动和管道振动分析,提出了管路调整措施。
    • 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
    • Research on Actual Flow and Pulsation of the Axial Piston Pumps
      轴向柱塞泵实际流量及脉动系数的理论研究