Submitted on: 15 July 2009.
Revised on: 28 July 2009.
Accepted on: 06 August 2009.
Space: Science & Technology
Submitted on: 19 August 2003.
Revised on: 31 August 2003.
Accepted on: 24 September 2003.
Space: Science & Technology---AMER ASSOC ADVANCEMENT SCIENCE
Submitted on: 06 August 2008.
Revised on: 15 August 2008.
Accepted on: 29 August 2008.
Space: Science & Technology
Submitted on: 22 April 2002.
Revised on: 30 May 2002.
Accepted on: 12 June 2002.
Space: Science & Technology
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http://reply.papertrans.cn/3/285/28490/28490-16.png
http://reply.papertrans.cn/3/285/28490/28490-17.png
Submitted on: 16 May 2008.
Revised on: 20 June 2008.
Accepted on: 14 July 2008.
Space: Science & Technology---AMER ASSOC ADVANCEMENT SCIENCE
Submitted on: 07 April 2015.
Revised on: 02 May 2015.
Accepted on: 19 May 2015.
Space: Science & Technology
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