需水、供水、缺水与节水是水利工作中常用的术语,由于其本身及其之间的相互关联,往往会出现重复和口径不统一的现象,特别是在对待节水量上容易出现这类问题,从而得出偏差的结论。为了在学术上更加严谨,从四者的概念出发,详细地分析了其内涵,并通过实例进行说明,读者可从中受到启发。 Water, water supply, water scarcity and water conservation are common terms in water conservancy, and due to their own and their interrelationships, they often appear repetitive and caliber inconsistencies, especially when it comes to saving water Class problems, to draw the conclusion of bias. In order to be academically more rigorous, starting from the concept of the four, its connotation has been analyzed in detail and illustrated through examples, so readers can be inspired.