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一在水利建设中,常常遇到一些技术经济问题,需要用优化方法去求得最佳解答,如:[例一]设一灌区,可有三种水源工程供选择。(1)建造一处水库蓄水;(2)建造一处拦河低闸和长渠道引水;(3)建造一座电灌站提水。这三种水源在“地位”和重要性上基本相等,或没有明显的额外限制。可以只用其中一种水源,也可以同时用其两种甚至三种水源;当采用多水源同对供水时,各水源的供水量可不相等,等等。这就可以组成若干个不同
In water conservancy construction, we often encounter some technical and economic problems. We need to optimize the method to find the best solution. For example: [Example 1] There are three kinds of water supply projects to choose from. (1) constructing a reservoir for water storage; (2) constructing a sluice gate and a long channel for water diversion; and (3) building an electric pumping station to lift water. These three sources of water are essentially equal in importance and importance, or have no obvious additional restrictions. You can only use one of the water source, you can also use two or even three of its water; when using multiple sources of water supply, the water supply of each source may not be equal, and so on. This can make up a few differences