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Submitted on: 04 November 2011.
Revised on: 11 February 2012.
Accepted on: 09 March 2012.
___________________CELESTIAL MECHANICS & DYNAMICAL ASTRONOMY
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http://reply.papertrans.cn/1/49/4897/4897-34.png
Submitted on: 02 January 2012.
Revised on: 06 March 2012.
Accepted on: 24 March 2012.
___________________CELESTIAL MECHANICS & DYNAMICAL ASTRONOMY
Submitted on: 05 May 2013.
Revised on: 06 July 2013.
Accepted on: 26 August 2013.
___________________CELESTIAL MECHANICS & DYNAMICAL ASTRONOMY