The White House has reacted positively to the latest round of talks in Geneva between Iran and world powers on its nuclear programme._______________________________________Reading an unprecedented joint statement with the Iranians, the European Union representative Catherine Ashton said the sides would reconvene on 7 November.Scientific experts would meet before then to discuss practical steps.The Iranian Foreign Minister Mohammad Javad Zarif expressed hope the discussions would be the start of a new phase in relations. 白宫积极回应就伊朗核问题而在日内瓦举行的伊朗与世界大国展开的最新一轮谈判._________________________________欧盟代表凯瑟琳`艾什顿和伊朗人一起宣布了史无前例的联合声明,她说双方将在11月7日再次会谈.科学专家在此之前将会面讨论实质性的步骤.伊朗外长穆罕穆德`贾瓦德`扎里夫表示,希望这些会谈成为双方关系进入新阶段的开始.