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Submitted on: 16 December 2020.
Revised on: 10 April 2021.
Accepted on: 22 April 2021.
___________________Frontiers of Information Technology & Electronic Engineering
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Submitted on: 12 March 2002.
Revised on: 10 April 2002.
Accepted on: 24 April 2002.
___________________Frontiers of Information Technology & Electronic Engineering
Submitted on: 31 August 2018.
Revised on: 14 October 2018.
Accepted on: 29 November 2018.
___________________Frontiers of Information Technology & Electronic Engineering
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http://reply.papertrans.cn/2/103/10254/10254-17.png
Submitted on: 15 March 2014.
Revised on: 30 April 2014.
Accepted on: 06 June 2014.
___________________Frontiers of Information Technology & Electronic Engineering
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