document.write('<br><span style="font-size:15px">上一篇</span> <a href=/shtmlnewsfiles/ecomnews/744/2012/201290722142508543.shtml  target="_blank">宏观物流与微观物流</a><br><span style="font-size:15px">下一篇</span> <a href=/shtmlnewsfiles/ecomnews/744/2012/201290722245430817.shtml  target="_blank">物流系统及要素</a>')