irrigation water requirement

基本解释

• [农业科学]灌溉需水量灌溉用水

英汉例句

双语例句

• The irrigation water requirement is mainly focused on full irrigation .
  本论文主要进行充分灌溉条件下农业灌溉需水量的计算。
• Based on the data collected in this study, net irrigation water requirement of main crop in china has been gotten.
  根据收集到的资料，计算得出全国主要作物的净灌溉需水量。
• Rainfall frequency analysis is used commonly to determine probability of irrigation water requirement, and to choose typical years for irrigation project design.
  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。

• irrigation water requirement更多例句

词组短语

短语

• wheat irrigation water requirement 小麦灌溉需水量
• agriculture irrigation water requirement 灌溉需水
• probability of irrigation water requirement 灌溉设计保证率

• irrigation water requirement更多词组

专业释义

农业科学

• 灌溉需水量

  On the condition of total sown area being fixed, reducing the percentage of cereal crop and increasing cash and other crops both can significantly reduce agricultural water consumption and net irrigation water requirement per unit area.
  在农作物总播种面积一定条件下,降低粮食作物比例、增大经济作物与其它农作物比例均能显著降低流域单位面积农业耗水量及单位面积农业净灌溉需水量。

• 灌溉用水

  The main purpose of this paper is to analyze the features of irigation water process and put forward a decomposed model for the long term forecasting of regional irrigation water requirement,which is based on time series analysis.
  本文基于时间序列分析方法，建立了区域农业灌溉用水量长期预报分解模型，给出了灰色GM（1，1）趋势预测、方差周期分析以及ARMA（2n，2n-1）随机分析相结合的模型求解方法，并编制了相应模型软件支持系统。