Authors
Jiujian Cui
Department of Physical Education and Military Theory, Suzhou Institute of Trade & Commerce, Suzhou, China
Yan Wu
Department of Mechanical and Electrical Information, Suzhou Institute of Trade & Commerce, Suzhou, China
© 2018 Jiujian Cui, Yan Wu, published by Xi’an Technological University
This work is licensed under the Creative Commons Attribution 4.0 License.