文章摘要
  
DOI：10.3969/j.issn.1004-874X.2011.06.079
Author NameAffiliation
耿晓东, 曹剑英 河北机电职业技术学院电气工程系,河北邢台,054048
邢台学院体育系,河北邢台,054001 
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