http://reply.papertrans.cn/2/107/10623/10623-31.png
http://reply.papertrans.cn/2/107/10623/10623-32.png
Submitted on: 21 December 2019.
Revised on: 16 February 2020.
Accepted on: 06 March 2020.
___________________Geomatik---GEOMATIK JOURNAL
http://reply.papertrans.cn/2/107/10623/10623-34.png
Submitted on: 15 June 2020.
Revised on: 31 August 2020.
Accepted on: 06 October 2020.
___________________Geomatik---GEOMATIK JOURNAL
http://reply.papertrans.cn/2/107/10623/10623-36.png