测频测周
frequency and period measuring method
frequency and periodical signal measuring
鼻烟窝动静脉内瘘
Snuffbox arteriovenous fistula
变频脉冲信号产生器
frequency pulse signal generator
步进频脉冲信号
stepping frequency pulse signal
超低频脉冲梯度磁场
ultralow frequency pulsed gradient magnetic field
超声频脉冲电弧
ultrasonic frequency pulsed are
ultrasonic frequency pulsed arc
超音频脉冲TIG焊
ultra-sonic pulse TIG welding
程控低频脉冲治疗仪
program control low frequency pulse treatment
大动脉内皮功能
large arterial endothelial function
低频脉冲
low-frequency pulse
low frequency transduction pulse electroacupunctur
low-frequency impulse
低频脉冲磁场
low-frequency pulsed electromagnetic field
low frequency pulse magnetic field
low-frequency pulsing magnetic field
amorphous Fe78Si9B13alloys