Vol. No.(), Paper ID 9336, 3 pages

DOI:

 

Chinese Vocational Education Research Group of Sustainable Development

 

Hua-ping Shang

 

School of P.E., East China Jiaotong University, Nanchang, Jiangxi, P. R. China

 

Copyright © Hua-ping Shang et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

 

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