adj. supersonic
misc. ultrasonic frequency ; superaudio
超声功率与超声频率可根据需要调整。
Ultrasonic power ultrasonic frequency may adjust according to the needs.
超声功率与超声频率可根据需要调整。
Ultrasonic power and ultrasonic frequency may adjust according to the needs.
考察了超声频率、功率，超声时间和搅拌速度对产品粒度的影响。
The effects of frequency, power, action period and stirring velocity of ultrasound on the size of blowing agent ADC are experimentally investigated.
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