http://reply.papertrans.cn/2/171/17002/17002-11.png
http://reply.papertrans.cn/2/171/17002/17002-12.png
http://reply.papertrans.cn/2/171/17002/17002-13.png
Submitted on: 21 December 2006.
Revised on: 03 February 2007.
Accepted on: 08 March 2007.
___________________JOURNAL OF GEODESY---SPRINGER
http://reply.papertrans.cn/2/171/17002/17002-15.png
http://reply.papertrans.cn/2/171/17002/17002-16.png
Submitted on: 24 February 2011.
Revised on: 07 June 2011.
Accepted on: 07 July 2011.
___________________JOURNAL OF GEODESY---SPRINGER
http://reply.papertrans.cn/2/171/17002/17002-18.png
Submitted on: 24 June 2010.
Revised on: 22 October 2010.
Accepted on: 16 December 2010.
___________________JOURNAL OF GEODESY---SPRINGER
Submitted on: 22 January 2021.
Revised on: 14 March 2021.
Accepted on: 03 May 2021.
___________________JOURNAL OF GEODESY---SPRINGER