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 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。
• At low frequencies, such as 10 per sec., pulsation is sensed rather than vibration.
  在低频率（譬如每秒十次）时，所感觉到的是脉冲而非振动。
• 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。
• 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
• 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。
• 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
• 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。
• 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。
• 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