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

• 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。
• Analyses of the Gas Pulsation and Pipeline Vibration of Reciprocating Compressors and Solutions
  往复式压缩机气流脉动与管路振动问题分析与解决
• Drive by or as if by pulsation.
  推动或者有节奏的跳动。
• Piping vibration or damage caused due to dynamic loads, such as mechanical vibration, acoustic vibration, fluid hammer, pulsation and relief valve discharge.
  由于动荷载引起的管道震动和损坏，例如机械震动，声波震动，液击，压力脉动和泄放阀门泄放时引起的震动。
• 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
• 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
• The result showed that the pump has the advantages of larger discharge and smaller pulsation.
  结果表明，该泵具有排量大、脉动小等优点。
• 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 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。