一、问题的提出规划工作中,经常会碰到以灌溉为主的电站。其灌溉流量引入灌区后,灌区的回归水量将又产生对下游电站的再调节作用,多年已开垦的灌区由同条河流专用水文站体现 First, the issue put forward Planning work, often encounter irrigation-based power station. After the irrigation flow is introduced into the irrigated area, the reclaimed water in the irrigated area will have a re-adjustment effect on the downstream power plants. The irrigated irrigated area, which has been cultivated for many years, is represented by a hydrological station dedicated to the same river