Submitted on: 19 July 2013.
Revised on: 25 September 2013.
Accepted on: 20 November 2013.
___________________INTEGRATED COMPUTER-AIDED ENGINEERING
http://reply.papertrans.cn/2/128/12722/12722-22.png
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http://reply.papertrans.cn/2/128/12722/12722-26.png
Submitted on: 14 September 2011.
Revised on: 28 December 2011.
Accepted on: 19 January 2012.
___________________INTEGRATED COMPUTER-AIDED ENGINEERING
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