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

• 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。
• 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。
• 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。
• 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。
• 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。
• 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。
• 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
• 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。
• She only felt the pulsation in her own fingers, and withdrew her hand with a shudder.
  她感觉到的是自己手指上的脉搏，她颤栗地收回她的手。