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[期刊论文] 作者：Du Jianhui,Shi Yonghua,Wang Gu,
来源：中国焊接 年份：2004
Bead shape in underwater rotating arc welding was affected by several welding parameters.RVM(relevance vector machine)was used to build a model to predict weld...
[期刊论文] 作者：DU Jianhui,YAN Ping,DONG Yuxia,
来源：地理学报（英文版） 年份：2004
Nebkhas are often extensively distributed in arid and semi-arid areas, and play an important role in the stabilization of ecological environment in these areas....
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