**Author details**

Yao Shan

School of Emergency Technology and Management, North China Institute of Science and Technology, Yanjiao, China

\*Address all correspondence to: 9106350@qq.com

© 2021 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
