Mr.ElBaradei has led the International Atomic Energy Agency at a time of transition. 艾巴拉迪先生领导国际原子能总署走过转型期。
Both China and Japan were in the important period of social reforms at that time, which are typically representative in the human history. 中日两国在这一时代都处于重要的社会转型期,在人类历史上具有典型的代表性。