Funding for this research was provided by:
National Natural Science Foundation of China (61966035, 61562086)
Innovation Team Project of Education Department of Xinjiang Uygur Autonomous Region (XJEDU2016S035)
Xinjiang Uygur Autonomous Region Graduate Innovation Project (XJ2019G071)
Xinjiang Uygur Autonomous Region Graduate Innovation Project (XJ2019G069)
Xinjiang Uygur Autonomous Region Graduate Innovation Project (XJ2019G072)
Article History
Received: 8 October 2019
Accepted: 6 February 2020
First Online: 4 March 2020