ICRER 2021 Shining Points: 1. For papers submitted to ICRER 2021, after the peer reviewing process by at least 2-3 experts, the accepted papers will be published into International Conference proceedings, which is indexed by EI Compendex, Scopus, Thomson Reuters (WoS), Inspec,et al.2. Two Outstanding Professors have joined as Speakers.They are Prof. Gordon Huang from University of Regina, Canada and Prof. Yongping Li from Beijing Normal University, China3. ICRER 2020 was held as virtual conference successfully during November 19-21, 2020. == Submission and Contact Methods:Electronic Submission System: http://confsys.iconf.org/submission/icrer2021