Submitted on: 10 April 2002.
Revised on: 21 July 2002.
Accepted on: 26 August 2002.
___________________Chinese Science Bulletin-Chinese
Submitted on: 25 July 2016.
Revised on: 26 October 2016.
Accepted on: 13 November 2016.
___________________Chinese Science Bulletin-Chinese
Submitted on: 27 May 2010.
Revised on: 21 September 2010.
Accepted on: 06 November 2010.
___________________Chinese Science Bulletin-Chinese
http://reply.papertrans.cn/1/54/5344/5344-24.png
http://reply.papertrans.cn/1/54/5344/5344-25.png
Submitted on: 14 September 2014.
Revised on: 27 October 2014.
Accepted on: 10 December 2014.
___________________Chinese Science Bulletin-Chinese
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http://reply.papertrans.cn/1/54/5344/5344-29.png
Submitted on: 28 June 1999.
Revised on: 24 September 1999.
Accepted on: 27 October 1999.
___________________Chinese Science Bulletin-Chinese