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 model was subjected to pulsation, vibration, free vibration and hammering tests in order to investigate its flexibility, frequency and damping characteristics.
  为了获得模型的柔度特性、频率、阻尼等进行了脉动试验、自由振动、锤击试验等。
• Reduced Torque Pulsation, thereby reduces noise in start-up and operation process.
  转矩脉动减少，起动和运行噪音更低。
• 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。
• 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。
• Simulation of transient state of hydraulic pulsation dampers with a CFD code was done to get their frequency response.
  对液压脉动衰减器用CFD软件进行了数值仿真计算，得到了其频率响应。
• Dynamic analysis of blade based on the unsteady airflow pulsation
  基于非定常气流脉动的叶片动力学分析
• Analysis of Pressure Pulsation of Counter-rotating Ventilator Based on Unsteady Calculation
  基于非定常计算的对旋风机压力脉动分析
• 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。
• It is a wave, a vibration, a pulsation at the very heart of the All That Is.
  它是在一切万有心中的一个波动、一个震动、一个脉动。