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

• 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。
• 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 actual flow and pulsation of the axial piston pump are more complicated physical phenomena.
  轴向柱塞泵的实际流量及流量脉动情况复杂。
• 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。
• 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。
• 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
• 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。
• 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。
• 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