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| 2008, Vol. 15(1): 41-45 DOI: | ||
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| ZHU Chun-Geng1, YANG Yu-Tu2, XU Hong1, LU Zhang-Ping3 | ||
| 1. College of Communications, Zhejiang Normal University, Jinhua 321019, China; 2. College of Mechanical Engineering, Nanjing Forestry University, Nanjing 210037, China； 3. College of Mechanical Engineering, Jiangsu University, Zhenjiang 212013, China |
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| Received null Revised null | ||
| Supporting info | ||
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