Submitted on: 04 May 2014.
Revised on: 30 June 2014.
Accepted on: 10 July 2014.
___________________Advances in Geodesy and Geoinformation
http://reply.papertrans.cn/1/8/743/743-22.png
Submitted on: 24 March 2002.
Revised on: 30 June 2002.
Accepted on: 18 August 2002.
___________________Advances in Geodesy and Geoinformation
http://reply.papertrans.cn/1/8/743/743-24.png
http://reply.papertrans.cn/1/8/743/743-25.png
Submitted on: 15 May 2008.
Revised on: 25 July 2008.
Accepted on: 16 September 2008.
___________________Advances in Geodesy and Geoinformation
http://reply.papertrans.cn/1/8/743/743-27.png
Submitted on: 01 June 2018.
Revised on: 24 June 2018.
Accepted on: 07 July 2018.
___________________Advances in Geodesy and Geoinformation
http://reply.papertrans.cn/1/8/743/743-29.png
Submitted on: 11 February 2000.
Revised on: 27 March 2000.
Accepted on: 09 May 2000.
___________________Advances in Geodesy and Geoinformation