求翻译：我们史国庆，李志新是史佳伊的父母。史佳伊是北京市101中学的学生，其将于2012年9月25日至2012年10月2日随熊永昌前往德国图宾根市开普勒学校参加两校的交流活动。史佳伊现未成年，我们两人均不能随同前往，故声明同意我的孩子史佳伊去德国旅行并委托熊永昌全权负责孩子史佳伊在国外的一切事务。委托期限：自2012年9月25日至2012年10月2日。是什么意思？

Shi Guoqing, Li Zhixin, the parents of the history of good in Iraq. History Jia Yi, Beijing 101 Middle School students on September 25, 2012 to October 2012, 2, Sui Xiong Yongchang to the Kepler School, Tübingen, Germany to participate in the exchange activities of the two schools. History of good i

Our national day, Lee Chi-new is a history of poor parents. Good history is the Beijing 101 middle school students, it will be to September 25, 2012 to October 2, 2012 bears will travel to Germany with the Bingen city schools to participate in the Cape, the two schools. History minors are excellent,

Our history National Day, Li Zhixin is Shi Jiayi parents.Shi Jiayi is the Beijing 101 middle school's students, it will go to the German chart guest root city from September 25, 2012 to October 2, 2012 along with bear Yongchang to open the Puller school to participate in two schools exchange.Shi Jia

Our Shi guoqing, Li Zhixin Shi Jiayi's parents. Shi Jiayi Beijing 101 middle school student, which will be held on September 25, 2012 with Xiong Yongchang to Germany Bingen Kepler school participated in two exchanges. Shi Jiayi is minor, the two of us cannot accompany him to, statement agreed with m