net irrigation norm 净灌溉定额
sewage irrigation norm 污水灌溉定额
gross irrigation norm 毛灌溉定额
optimum irrigation norm 最优灌水定额
economic irrigation norm 经济灌溉定额
economical irrigation norm 经济灌溉定额
·2,447,543篇论文数据，部分数据来源于NoteExpress
The evaporation rate and the daily evaporation were increased with the increase of storage irrigation norm.
日均蒸发量和蒸发率随着储水定额的增大而增大。
For increasing the utilization percent of water, it should be adjusted irrigation norm when the rainfall got more.
当生育期降雨量增多时，可适当调整灌溉量，以提高水分利用率。
The result indicates that there are obvious differences between irrigation with spate and clear water in large irrigation norm.
研究结果表明，在大灌水定额下，清、洪水灌溉差异明显。
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