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为了解决日益严重的缺水问题,许多国家都把海水的开发利用作为开辟新水源的一个重要途径。我国幅员辽阔,大陆海岸线长达1.4万公里。沿海城市多是经济发达、人口集中的地区,但水资源短缺,若兴建大型水库或跨流域调水,实施起来难度较大,而且时间也很长。如果能根据不同情况,因地制宜地利用海水,可谓“取之不尽,用之不竭”,又不受季节影响。这可能是解决沿海城市缺水问题一项重大战略措施。
In order to solve the increasingly serious water shortage, many countries consider the development and utilization of seawater as an important way to open up new water sources. Our country is vast in size, with a coastline of up to 14,000 kilometers. Coastal cities are mostly economically developed and population concentrated areas. However, the shortage of water resources is more difficult and time-consuming to implement if large-scale reservoirs are to be built or inter-basin water diversions are carried out. If we can use sea water according to different situations and circumstances, it can be described as “inexhaustible” and not affected by the seasons. This may be a major strategic measure to solve the problem of water shortage in coastal cities.