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人口数量直接影响着水量的计算,而水量的大小又关系到取水、输配水、给水净化、排水及污水处理等一系列构筑物、管网、设备等的设计以及施工、运行和管理。尤其随着我国“四个现代化”的发展,区域性的工厂和居民点日益增多,小型的给水排水系统相继出现,为了搞好给水排水设计,讨论人口统计与水量计算的关系是有必要的。一、工厂职工与居住区人口的计算工厂职工与居住区人口的计算,主要是利用事物之间的比例关系。其一是同一现象不同时间的数量之间的比例。其二是有关的
The population directly affects the calculation of water volume, and the size of water is related to the design, construction, operation, and management of a series of structures such as water intake, water distribution, water purification, drainage, and sewage treatment, pipe networks, and equipment. In particular, with the development of “four modernizations” in China, regional factories and residential areas are increasing, and small-scale water supply and drainage systems have emerged one after another. In order to do a good job of water supply and drainage design, it is necessary to discuss the relationship between population statistics and water quantity calculation. I. Calculation of the population of factory employees and residential areas The calculation of the population of factory employees and residential areas is mainly based on the proportionate relationship between things. One is the ratio between the numbers of the same phenomenon at different times. The second is related