This is a smooth, slowly rising area that has many fertile valleys and is irrigated by many waterways.
这是一个平坦的逐渐上升的地带，拥有许多富饶的山谷，并且由很多水路进行灌溉。
We have irrigated the desert area to make it fertile.
我们已经灌溉了荒芜地区使它肥沃。
According to the proposed model, we can obtain optimal irrigated area, scale of summer grain crops and scheduling diagrams of reservoir.
通过模型的求解，可得出计算区的最佳灌溉面积、夏粮种植比以及水库的优化调度图。
Borders range from 3 to 30 m wide and must be nearly level across their width so the entire area will be irrigated uniformly.
畦宽3—30米，沿宽度方向必须接近水平，以便使全部面积都能得到均匀的灌溉。
Organochlorine pesticides (OCPs) in sediments and sewage irrigated area soils from Urumqi Shuimohe river were determined by means of GC-ECD.
用GC -ECD定量测定了乌鲁木齐市水磨河底泥及污灌区土壤中有机氯农药的含量。
A city of central California west-northwest of Merced. It is a commercial center in an irrigated farming area. Population, 22,282.
美国加利福尼亚州中部一城市，位于默塞德西北偏西。它是农业灌溉区的商业中心。人口22,282。
Saline soil with salt content greater than 0.3% is widely distributed and accounts for 77.7% of the total irrigated area.
灌区盐碱土以全盐量大于0.3％的中度以上盐碱土分布较广，占灌区面积的77.7％。
A city of north-central Utah north-northwest of Provo. It is a manufacturing center in an irrigated farming area. Population, '7, 5'.
美国犹他州中北部城市，位于普罗沃的西北偏北。它是灌溉农业区的制造中心。人口'7,5 '。
In the table actually irrigated area refers to aggregate farmland, orchard, grass field and other area.
实际灌溉面积指：农田、园林、草场及其他面积合计。
Low dam is a diversion irrigating method adopted generally in irrigated area.
低坝是灌区引水灌溉普遍采用的一种形式。
One outstanding problem of Irrigated area engineering management is maintains and maintains project and fund needed to renovate insufficient very seriously.
灌区工程管理中一个很突出的问题是工程维护与维修以及更新改造所需要的资金严重不足。
In another variation, ditches replace the ridge between borders and the area between is irrigated by blocking the ditches.
在另一种变通方式中，用渠道代替畦埂，堵塞渠道，进行灌溉。
Establishing water conservation irrigation garden by irrigated area itself is a new attempt on unified management and comprehensive utilization of the surface water and underground water.
由灌区自行建立节水灌溉园区是灌区地表水、地下水统一管理和综合利用的新尝试。文章就其中的有关问题进行了探讨与研究。
The reliability and effectiveness of the model in adjusting and controlling groundwater dynamic regime also are analyzed with a case study in an irrigated area in the loess plateau.
通过模型在黄土高原灌区的应用实例，分析了该模型对灌区地下水位动态调控计算的可靠性和有效性。
The water salt trends in irrigated area is analysed and the standard of drained off water control is put forward.
总结分析了灌区水盐动态变化趋势，计算并提出了排水控制标准。
Thirdly, from the table, we see the huge disparities between Brazil and Congo in population, irrigated land area and the average water consumption per person.
第三，从表格中我们看到巴西和刚果在人口数量、土地灌溉面积和人均水消费量上的巨大不同。
In severe drought, extracellular resistance of dryland variety increased farther and that of irrigated area was lower than CK.
严重干旱条件下，旱地品种的胞外电阻进一步增大，而灌区品种的胞外电阻却低于对照。
Through the study of concentration of heavy metal in farmland from the city epigenetic irrigated area, the difference of their ability of beneficiation and health risks were analyzed and compared.
通过对试验区内玉米、小麦和土壤中重金属含量的研究，分析比较了作物对重金属的富集能力和健康风险。
What this text studied is the integrated frame technology of the large-scale geographical information management system of irrigated area based on net GIS.
本文研究的是基于网格gis的大型灌区地理信息管理系统的集成框架技术。
Agricultural Comprehensive water saving technology system should be adopted for the well-irrigated area and the basic balance remained for extraction and recharge during one hydrological circle.
井灌区应采取农业综合节水技术体系，保持在一个水文周期内地下水采补基本平衡。
Large and medium systems serve about 47% of total irrigated area in the country; 26% is irrigated by tube Wells managed directly by fanners.
大中型灌区大约占全国灌溉面积的47%，另外有大约26%灌溉是由农民打井人工浇灌的。
The ground water level and Salinity of soil in the Hetao irrigated area in the Inner Mongolia exit notable seasonal changes and the peak period of salt deposit occurs in spring and autumn.
内蒙古河套灌区地下水位与土壤盐分存在明显的季节性变化，春、秋两季为积盐高峰期。
The improvement of ground irrigation techniques is a key problem for the irrigated area to increase the quality of irrigating water and practice rated water consumption.
改进地面灌水技术，是灌区提高灌水质量、实行定额用水的关键问题。
In addition, the hydrological data reorganization of branch channels of irrigated area and the calculation of water quantity and water rate can be done using this system.
另外，本系统也可以进行灌区支渠水文资料整编以及水量、水费计算。
The surface water, precipitation and undercurrent are main to the groundwater in well irrigated area while in plain area surface water and rainfall are main replenishment.
井灌区地下水主要靠地表水、降雨和潜流补给，平原井灌区主要靠地表水和降雨补给。
The surface water, precipitation and undercurrent are main to the groundwater in well irrigated area while in plain area surface water and rainfall are main replenishment.
井灌区地下水主要靠地表水、降雨和潜流补给，平原井灌区主要靠地表水和降雨补给。
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