College of Optoelectronic Engineering Chengdu University of Information Technology Chengdu 610225 Sichuan Province China;
School of Physical Education Chengdu Normal University Chengdu 611130 Sichuan Province China;
College of Optoelectronic Engineering Chengdu University of Information Technology Chengdu 610225 Sichuan Province China;
Online teaching; Offline teaching; Hybrid teaching; Luminescent materials and applications;