§1.多目标水库和水库群规划的问题和特点: 随着科学技术的发展和经济建设要求的不断提高,水利资源的开发利用,在世界各国有了愈来愈大的规模和意义,如果说在四五十年以前,人类在利用河流的工作中还多半是局部性的,小规模的和不够充分主动的话,那么在最近三十多年来,就已经在全面的,大规模的 §1. Problems and Characteristics of Planning for Multi-objective Reservoirs and Reservoirs: With the development of science and technology and the continuous improvement of economic construction, the development and utilization of water resources have become more and more significant in all countries in the world. If To say that human beings were mostly partial, small-scale and under-active in their use of the rivers 40 to 50 years ago, then they have been on a comprehensive and large scale for more than three decades