frequent pulse

英 [ˈfriːkwənt pʌls]

美 [ˈfriːkwənt pʌls]

数脉，脉搏频速

They made frequent checks on his respiration, pulse and blood.
他们经常检查他的呼吸、脉搏和血液。
As high frequent pulse wave and voltage peaks when switching IGBT tubes are added to voltage and current waveforms, it leads to disadvantageous effects on welding power and welding processing control.
推挽正激变换器是低压大电流输入场合的理想拓扑之一，但其输出整流二极管上由于反向恢复产生很高的电压尖峰。
A few months later he developed frequent syncopal attacks, during which the pulse rate fell to 28-31, with periods of pulselessness for 10-12 seconds.
几个月后，病人常发生晕厥，发作时脉搏减至28～31次/分，并有10-12秒无脉。
This paper discusses the electromagnetic compatibility problem ( EMC) of fast transient electric pulse train caused by frequent start of electrical equipment and thunder discharge of electrical equipment, and the EMC standard against transient pulse train is also given in the paper.
讨论了由于飞机上的电气设备频繁启停、雷电放电等引起的电快速瞬变脉冲群的电磁兼容（EMC）问题，给出了抵抗瞬变脉冲群的电磁兼容标准。
Secondary symptoms: fatigue, frequent night urination, hair loss or teeth shaking, dizziness, and deep thready pulse.
次要症状：神疲乏力、夜尿频多、发落或齿摇、头晕目眩、沉细脉。