三峡工程采用“一级开发、一次建成、分期蓄水、连续移民”的建设方案。工程建设总工期为17年,工程施工分三个阶段进行:第一阶段(1993年～1997年)为施工准备及一期工程,施工需5年,以实现大江截流为标志;第二阶段(1998年～2003年)为二期工程,施工需6年,以实现第一批机组发电和永 Three Gorges Project uses “a development, once completed, staging water, continuous resettlement” construction program. The total construction period of the project is 17 years. The construction of the project is carried out in three phases: the first phase (1993-1997) is for construction preparation and the first phase of construction, which takes 5 years to achieve the closure of major rivers. The second phase 1998 ~ 2003) for the second phase of the project, construction to be 6 years, in order to achieve the first batch of generating units and Wing