pulsation

• 名词，指有节奏的跳动、搏动或振动，常用于描述物理、生物或电子系统中重复出现的波动或脉冲。

A noun referring to a rhythmic beat, throb, or vibration, often describing a recurring wave or pulse in physical, biological, or electronic systems.

1. Heartbeat rhythmB2formalmedical

   The rhythmic contraction and expansion of the arteries with each beat of the heart.

   心跳节律

   • The doctor checked the pulsation in his wrist.
   • A strong pulsation indicates healthy blood flow.
   • She could feel the pulsation of her heart after running.

   同义词beatbeatingpalpitationpoundingpulsethrobthrobbingthumping

2. Recurring fluctuationC1formalscientific

   A periodically recurring phenomenon that alternately increases and decreases some quantity.

   脉动

   • The pulsation of the light source was measured in hertz.
   • Scientists observed the pulsation of the star's brightness.
   • The machine's pulsation creates a steady rhythm.

   同义词beatingfluctuationoscillationpulsethrobundulation

3. Electrical transientC1formaltechnical

   A sharp transient wave in the normal electrical state, or a series of such transients.

   电脉冲

   • The circuit experienced a pulsation that disrupted the signal.
   • Technicians filtered out the pulsation from the power supply.
   • A pulsation in the voltage can damage sensitive equipment.

   同义词glitchimpulsepulsespikesurgetransient