1. Public Basic Teaching Department, Xinjiang Institute of Technology, Aksu 843100, Xinjiang, China
2. National University of Malaysia, UKM, Bangi, Selangor 43600, Malaysia
3. Department of Mathematics, Xinjiang Institute of Technology, Aksu 843100, Xinjiang, China
4. Foundation Department, ShanDong JiaoTong University, Jinan 264200, ShanDong, China
5. Department of Physical Education, Guangdong Institute of Technology, Zhaoqing 526100, GuangDong, China