简介:The8thCooperativeWorkForumonAncientTibetanDocumentswasheldbytheofficesforthecollationoftheancientTibetandocumentsintheTibetAutonomousRegion,QinghaiProvince,GansuProvince,SichuanProvince,YunnanProvinceandBeijingfromthe22ndtothe25thofOctober,2002.TheforumwashostedbyChina'sTibetologyResearchCenter.Duringtheforum,theCenteralsoheldanexhibitionoftheachievementsofancientTibetandocumentsmadebytheabove-mentionedsixoffices.
简介:7月1日西汉高速公路秦岭隧道群3号隧道顺利贯通。这也是3个隧道中施工难度最大、条件最艰苦的隧道,其全长4950米,概算投资3。6亿元。