Layout forms of irrigation canal system can be generally classified as three categories: series-wound canal system, equivalent shunt-wound canal system and nonequivalent shunt-wound canal system.
文摘：灌溉渠系的布置形式一般可分为串联渠系、等效并联渠系和非等效并联渠系，对这3种灌溉渠系水利用系数进行了理论研究。
Based on the numerical solution of Saint Venant Equations and proportional control mode, the author established a computer program for simulating automatic upstream control irrigation canal system.
作者通过圣维南方程组的有限差分数值解并使用比例控制方式，编写出计算机程序，实现了自动上游控制灌溉渠道系统的计算机模拟。
The utilization coefficient of irrigation water contains the utilization coefficient of canal system water and field water.
灌溉水利用系数包括渠系水利用系数和田间水利用系数。
This thesis is dedicated to the study of the impact of the Jiangnan Canal upon the irrigation system in its drainage area.
本文主要研究唐宋时期的江南运河与周边地区农田水利的关系。
Canal system planning is one of the important tasks in rehabilitation, corollary and water-saving reform planning of large-sized irrigation districts.
渠系规划是大型灌区续建配套与节水改造规划的重要内容。
Finally, the canal water efficiency of all levels of canals, canal system water efficiency and paddy field water consumptions of the 10 main irrigation areas in Shenyang city were put out.
最后分别计算出沈阳市以上十个主要灌区各级渠道的渠道水利用系数、渠系水利用系数和水田的耗水量。
Finally, the canal water efficiency of all levels of canals, canal system water efficiency and paddy field water consumptions of the 10 main irrigation areas in Shenyang city were put out.
最后分别计算出沈阳市以上十个主要灌区各级渠道的渠道水利用系数、渠系水利用系数和水田的耗水量。
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