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Han Ye (Changchun University,Changchun,130022)  
Submaximum among maxium values is analysed when the method of standing wave is used to observe standing wave amplitude.Some problems which should be paid attention to in the process of calculating using uncertainty are presented.
【CateGory Index】: O422
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1 JIANG Lin,WANG Yan-qing(College of Science,SUST,Qingdao,Shandong 266510,China);Study on Measuring Experiment of Sound Velocity Based on Ultrasonic Interference,Diffraction and Reflection Methods[J];Journal of Shandong University of Science and Technology(Natural Science);2008-03
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