重要阶段
1.Despite the inclement weather, this critical phase of the relocation exercise was completed successfully.
4.Two important stages came not so long before the dawn of written history.
6.From the New Archeozoic era to the Cenozoic era, the structural framework in Qinling significantly changed many times. The total evolution can be distinguished to five dominant stages:1. The forming period of crystalline basement (Ars-Pt1);
7.Requirements analysis is an important step in an information system development cycle.
8.Aesthetic culture (asthetische Kultur) is the solid psychological foundation of the scientific culture, and a very importantstage of humanistic culture.
9.The Storyboard is an essential stage of the animation process and helps to finalise the development and the storyline.
