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《Journal of Yuxi Teachers' College》 2007-12
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The Analysis of Experimental Data of Ultrasonic Wave Speed

NA Wei-wei YANG Hong LI Kai-yi ZHOU Hong-yun(Department of Physics and Education Technology,Yuxi Teachers College,Yuxi,Yunnan 531000)  
This paper makes an analysis of the experimental data of ultrasonic wave speed and a calculation of its uncertainty by Excel.A method of selecting correct results on the basis of uncertainty is proposed with the analysis of data from stationary wave method and phrase angle comparison as an example.
【CateGory Index】: O426
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