作者简介:程侠(1956-),女,陕西兴平人,长安大学讲师,从事工程力学研究.
作者单位:程侠(长安大学,公路学院,陕西,西安,710064)
贾争现(陕西科技大学,成人教育学院,陕西,咸阳,712081)
邰卫华(密歇根大学,机械工程系,美国)
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收稿日期:2002年10月10日
出版日期:2003年6月1日
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