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

• 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。
• 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
• 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
• Research and Realization of Vehicle Oil Coolers Fatigue Property Pulsation System Based on Fuzzy-PID Control;
  对螺旋扁管与普通直管在油冷却器中的污垢特性进行了对比实验研究。
• Drive by or as if by pulsation.
  推动或者有节奏的跳动。
• 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
• 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。
• 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。
• 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。
• While the process was going on, I felt a pulsation that I reported to the doctor.
  在手术进行过程中，我感到一种搏动并告诉了医生。