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pro vyhledávání: '"黃薇珊"'
Autor:
Wei-shan Huang, 黃薇珊
100
Resonating frequency and phase of the ultrasonic transducer may change due to variation of temperature and loading and duration of working, etc. Resonating frequency and phase of the ultrasonic transducer varies so that the output power of t
Resonating frequency and phase of the ultrasonic transducer may change due to variation of temperature and loading and duration of working, etc. Resonating frequency and phase of the ultrasonic transducer varies so that the output power of t
Externí odkaz:
http://ndltd.ncl.edu.tw/handle/00949972691563799604
