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Under this circumstance, this paper studies calculation method of sub-region weight coefficient, and applies it in large irrigating district. 针对这种情况的于区权重系数的计算方法加以探讨，并结合大型灌区的实例予以分析。
large irrigation district 大型灌区
Irrigation District, to try the feeling across the waterline, all of the Post! 灌水区，来试试穿越水线的感觉吧，尽情的发帖！
The region is flat and dry requiring a large irrigation network to provide water to its citrus grooves. 该地区平坦而干燥，需要很大的灌溉网给该地区的柑桔树林供水。
The management system of canal system structures in Yangling irrigation district was constructed based on VR-GIS in this paper. 应用结果表明基于VR-GIS技术的系统能满足灌区渠系建筑物的信息化管理要求。
This paper deals with countermeasures to solve the problem in Baoji Gorge irrigation district in the province form source and water saving. 位于陕西关中西部的宝鸡峡灌区,由于原设计所取河源供水保证率偏低,调蓄能力差,灌溉水源不足一直制约着灌区潜力的进一步发挥。
Electricity-lift irrigation started to build in 70th of the 20th Century in the Xingdian irrigation district in Baiyin City of Gansu Province. 甘肃省白银市兴电灌区电力提灌工程始建于20世纪70年代末,受当时科学技术条件的制约,工程所有设备的运行都是手工操作。
In this paper the drought and waterlog data in Dongfanghong irrigation district,Xinmi city was dealed with the grey calamity theory. 应用灰色系统理论中的灾变预测方法,对新密市东方红灌区的旱、涝灾数据进行灰色处理,以预测灾情发生的时间。
Spatial variability of soil moisture in the irrigation district is analyzed by integrating Geostatistics and general theory of statistics. 将提出的墒情监测方法及区域土壤水分预报方法，应用于构建整个灌区的实时灌溉预报模型之中，并在灌溉预报过程中进行实时修正。
General Introductions of Subject Studies on Management System and Operation System Reform in Large Irrigated Districts 大型灌区管理体制和运营机制改革研究课题报告简介
The reference crop evapotranspiration in Hunpu irrigation district,Liaoning province was calculated with the equation of Penman-Monteith recommended by FAO. 采用联合国粮农组织最新推荐的Penman-Monteith公式,分析了浑蒲灌区参考作物需水量。
Advancing with the Times and Carrying out "Reform and Rehabilitation and Water Use Efficiency Upgrading" in Large Irrigated Districts Creatively 与时俱进开拓创新努力做好大型灌区"两改一提高"工作
Irrigation district water-measuring is the important method and guarantee of practising using water planly, assignment accurately, using irrigation water equably and meterage. 灌区量水，是实行计划用水、正确分配、合理使用灌溉水的重要手段，是实行计量收费的重要保证。
The paper analyzes the management status of Pishihang Irrigation District, illustrates the informatization management system of Pishihang Irrigation District. 摘要文章对淠史杭灌区管理现状进行分析，提出了淠史杭灌区信息化管理系统方案。
The larger irrigation area and potash fertilizer input per unit has,the higher soil salinization probability will be. 同时单位面积上钾肥使用量越高，耕地发生盐渍化的概率也越高。
Oasis always appears at the places where water is ample, the Hexi Corridor oasis is also formed by the slush from Chilian Mountain, and has become the largest agricultural irrigation district. 有水的地方才能形成绿洲,祁连山的雪水孕育了河西走廊绿洲,也使其成为全省最大的灌溉农业区。
This district grew cotton on a large scale. 这个地区过去大量种棉花。
Take Vigorous Measures to implement "Reform and Rehabilitation and Water Use Efficiency Upgrading" in Large Irrigated Districts, for Promoting Water Conservation in Agricultural Use 狠抓大型灌区"两改一提高"促进节水农业再上新台阶
He bit off a large piece of the apple. 他咬下一大块苹果。
The validity of this model and the model of predicting random uncertainty are verified by field test data for the measurement of an irrigation canal in Imperial Irrigation District in California,USA. 利用在美国加利福尼亚州Imperial Irrigation District灌渠试验得到的数据验证了最大相对误差和随机不确定度预测模型的有效性。