灌溉保证率（probability of irrigation）是指：预期灌溉用水量在多年灌溉中能够得到充分满足的年数的出现机率。
公布 中文名称：灌溉保证率 英文名称：ensurance probability of irrigation water 定义：灌溉用水量在多年期间能得到保证的概率，以正常灌溉供水的年数占总年数的百分比表示。 应用学科： 水利科技（一级学科）；灌溉与排水（二级学科）；灌溉（水
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... 灌溉 irrigation 灌溉保证率 probability of irrigation 灌溉水利用系数 water efficiency of irrigation ...
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灌溉设计保证率 dependability of irrigation designing ; and irrigation design reliability
筛选模型用以初定灌区的大致范围，长系列优调模型是在筛选的基础上确定符合灌溉保证率的灌区规模。
The screen model determines primary irrigation scale and, based on the primary scale, the long-run optimal operation model determines the irrigation scale that conforms to irrigation guarantee rate.
在对灌区来水和需水随机性分析的基础上，建立了一种确定灌区灌溉用水保证率的计算模型。
A calculation model is established in the paper for determining the water use ensurance probability based on the statistic analysis of irrigation area inflow and water needed.
灌区灌溉设计中，常用降雨量进行频率分析来选取灌溉设计保证率及其对应典型年。
Rainfall frequency analysis is used commonly to determine probability of irrigation water requirement, and to choose typical years for irrigation project design.
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