| 1. | Drainage water analyses may not indicate the composition of soil solutions accurately .
排水分析不能正确地反映土壤溶液的组成。 |
| 2. | What little grass there was in the yard was plastered sparsely down on the ground, the way the drainage water had left it .
院子里那一点点青草现在稀稀拉拉紧贴在地面上，就象是阴沟水流过以后那样。 |
| 3. | Good knowledge in environmental related to drainage water supply system
熟悉水处理行业的给排水系统。 |
| 4. | Prediction of drainage water volume in qingtong gorge irrigation district based on gn - bfgs algorithm
算法的青铜峡灌区退水量预测 |
| 5. | The predicted results indicate that the model for prediction of drainage water volume in the irrigation district of the arid areas established by using this algorithm is of better results in prediction effect
预测结果表明：用该算法建立的干旱区灌区退水量预测模型具有良好的预测效果。 |
| 6. | However , if the growth period is one month - ahead of the present schedule , it will save 100 million m3 of water withdrawal in hangzhou . 5 . the concentrations of tp , tn in drainage water respectively have a peak value and a 40 - days stable period
农田排水中的tn 、 tp浓度变化均有一个峰值和40天的稳定期，建议在高浓度污染物出现期间控制农田排水或考虑高浓度排水进行回灌。 |
| 7. | Through the water quality analysis on the cod tp , tn in the irrigation water and drainage water in a model experimental field , the regulation and its influence on environmental water pollution by the drainage water was also studied
通过对萧山闻堰镇某二季晚稻试验田灌溉用水和农田排水的逐次记录和取样分析，研究了农田退水中cod 、 tp 、 tn的排放量和排放浓度变化，以及农田退水对本地水环境的影响。 |
| 8. | This paper analyses the basic working principle and its method of gn - bfgs learning algorithm of neural network , on the basis of using this method , the model for prediction of drainage water volume in qingtong gorge irrigation district of ningxia hui autonomous region is established
摘要分析了神经网络的gn - bfgs学习算法的基本工作原理及其方法，并利用该方法建立了宁夏青铜峡灌区退水量预测模型。 |
| 9. | The dual missions of the laboratory are to develop irrigation and drainage water management practices and methods that use water efficiently , improve agricultural productivity and sustainability , and reduce negative environmental impacts of irrigated agriculture in semi - arid and arid areas ; and to develop chemical and non - chemical alternatives to soil fumigation with methyl bromide
其宗旨的是发展灌溉排水管理的实践和方法模型，有效用水，促进农业的多产和高效，降低灌溉农业中干旱地区和半干旱地区的灌溉农业对环境的不良影响，发展无化学的甲基溴化物替换技术。 |
