８０年代初 ,密云、怀柔两水库尚未供城市生活用水 ,其主要功能为防洪、灌溉、工农业用水及发电。为充分利用两库水面及风光秀丽的优势 ,并解决修建水库遗留的土地减少等问题 ,市、县有关部门提出了开展旅游的建议 ,先后得到国务院及中央领导的赞同与支持。此后 ,有关部门又在 In the early 1980s, two reservoirs in Miyun and Huairou were not yet provided with water for urban living. Their main functions were flood control, irrigation, industrial and agricultural water use, and power generation. In order to make full use of the water surface of the two reservoirs and the beautiful scenery, and to solve the problem of the reduction of land left by the construction of reservoirs, the relevant departments of cities and counties proposed the proposal of carrying out tourism and won the approval and support of the State Council and the Central Government. Since then, the relevant departments again