http://reply.papertrans.cn/2/194/19340/19340-21.png
http://reply.papertrans.cn/2/194/19340/19340-22.png
Submitted on: 16 February 2012.
Revised on: 12 May 2012.
Accepted on: 29 June 2012.
___________________JOURNAL OF SOUND AND VIBRATION
http://reply.papertrans.cn/2/194/19340/19340-24.png
http://reply.papertrans.cn/2/194/19340/19340-25.png
Submitted on: 28 November 2008.
Revised on: 13 January 2009.
Accepted on: 23 February 2009.
___________________JOURNAL OF SOUND AND VIBRATION
http://reply.papertrans.cn/2/194/19340/19340-27.png
Submitted on: 24 May 2012.
Revised on: 13 June 2012.
Accepted on: 31 July 2012.
___________________JOURNAL OF SOUND AND VIBRATION
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