• With the land so arid, he spends a lot of time tending to the system of irrigation ditches that run through the property.

    土地干旱花费大量时间去挖掘灌溉水渠来灌溉牧场。

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  • For example, cheap forms of irrigation have depleted the water table in many farm areas of India, while at the same time adding near-toxic levels of salts from fertilizers to the soil.

    例如成本低廉灌溉方式已经使印度很多地区的地下水干涸,化肥中高剂量的盐分残留土壤内。

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  • And, the system can realize functions of automatic irrigation, drainage warning, real time clock, historical data inquiry, data up-transmission and two-way communication.

    系统能够实现自动化灌溉具有排水警示实时时钟历史数据查询、数据上传双向通信功能

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  • Worry about it out of trouble, while in time "water Margin" and to critique, while rolling a large Bei Bei irrigation water, trying to pressure down the heat just budding.

    担心它又出来闹事一边赶《水浒传稿件时,一边咕噜咕噜了一杯杯试图萌芽热气下来

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  • But for a long time past, the study on the river by scholars chiefly focused on the state of its silt, and the changes in its course and irrigation, with little discussion about its appellation.

    但是多年以来,学者们对黄河研究集中于黄河泥沙情况、河道变迁水利变化等问题,而黄河名称的由来论述甚少

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  • This paper advances an economic evaluation method to prove the economic rationalization for renewal of irrigation techniques and determine the proper time for the renewal.

    本文提出灌溉技术更新经济评价方法,用于论证技术更新经济合理性确定适宜的更新时间

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  • The irrigating water quota , number of irrigation and frequency of irrigation , which is sure to provide the water in time to the forage grass field and get highly stable yield .

    保证饲草料地土壤水分适时供给获得稳产高产确定灌溉定额,灌水次数灌水时间

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  • At the same time, the method of irrigation for konjac no-soil cultivation is studied.

    同时魔芋无土栽培灌水方式进行了研究

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  • It is based on actual evapotranspiration capacity, effective rainfall and water reserve of soil to forecast irrigation time.

    实际蒸发蒸腾量、有效降雨量土壤水量预报未来灌水时间

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  • And the skilled technicians who devised irrigation system and erected the marvelous buildings of the ancient world were the civil engineers of there time.

    设计灌溉系统建立优秀建筑古代世界技术高超技师是当时土建工程师

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  • The soil temperature in different time performance different, but all are lower than that of drip irrigation under mulch film.

    不同渗灌处理不同时段内地表现不同,软管滴灌

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  • The study of influence of sowing humidity, irrigation and sowing time on the growth and yield of cotton was carried out in this paper.

    通过墒、灌水次数、播棉花生长发育产量影响进行研究

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  • The economic benefit of irrigation and exposing polyethylene mulch after 35 days in the experiment with different exposing polyethylene mulch and irrigation time was best.

    不同时间灌水试验35揭膜灌水处理经济效益最好

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  • The next essential piece of information is the total amount of time that the irrigation system operated that night, also referred to as "total run time."

    第二和重要数据信息每晚喷灌系统运行时间称作运行时间。

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  • Uniform irrigation requires that this period of time be no longer than one fourth of the total irrigation period.

    均匀灌溉要求灌水时间长于灌水时间四分之一

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  • Research results showed that the surface shape factor was not a constant value, but a variable value with the change of irrigation time, water advance distance and other factors.

    研究表明同一畦灌过程中地表储水形状系数并非恒定而是灌水时间水流推进距离因素变化

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  • At the same time, the multiple cropping index, irrigation area, grain yield and the rate of irrigation had been improved increasingly.

    耕地灌溉率、复种指数、耕地灌溉面积粮食产量不断提高

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  • Sediment deposition exists in the lake mouth of Changdou Harbor for a long time and develops seriously. It exerts great influences on the discharge and irrigation capacity of the river.

    港口淤积现象由来已久,呈日趋严重之势,极大影响河道泄洪排涝灌溉能力发挥

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  • Comparative experiments was conducted on the effect of one-time irrigation and fertilization on the DBH and crown density of young 107 poplar plantations of even planting density.

    对等密度107幼龄林进行一次性施肥灌溉措施对比试验,结果表明,一次性水肥措施其幼林未郁闭前各龄期胸径生长量郁闭度有促进作用

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  • A real-time forecast model of irrigation schedule verified with the real-time data is established, incorporating suitable methods of monitoring soil moisture and predicting soil water for region.

    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实时灌溉预报模型之中,灌溉预报过程中进行实时修正。

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  • To satisfy heavier irrigation tasks for the time being, the system adopts PLC programmable controller to take place of traditional relay protection of power system.

    使用PLC可编程序控制器取代传统继电保护控制,满足目前日益繁重灌溉任务

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  • The optimal sprinkler configuration of center-pivot irrigation system can be obtained with the model, at the same time, the demand flow and head pressure were given.

    利用方法数学模型确定中心支轴式喷灌机最佳喷头配置方案,同时得出与该方案相匹配的机组入机流量机压力。

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  • So, a real-time irrigation control system based on plant physiological water needing information was established, and the effect experiment of irrigation control was made.

    为此本文监测系统基础上扩展了系统功能,建立基于植物生理需水信息的温室滴灌自动控制系统,进行了灌溉控制效果实验

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  • At the same time, in view of the change of soil water storage, it simulates dynamitic change among atmospheric rainfall, groundwater, irrigation, forest transpiration, deep drainage and soil water.

    同时模型根据土壤贮量变化模拟森林水量平衡,详细模拟了大气降水地下水人工灌溉、林分蒸腾量、渗透水量土壤水之间的动态变化。

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  • At the same time, the Catholic Church built a series of irrigation works. The Church expanded its sphere of influence through the control and expansion of water systems.

    与此同时天主教会还组织教民开发一系列水利工程通过控制扩张水利系统来继续扩大势力范围

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  • The irrigation way was drip irrigation during experimental time, and the control of soil water content was mainly by oven drying method as well as assistance of TDR.

    试验期间灌水采取滴灌方式土壤水分控制以称重取土烘干为主,辅以TDR法。

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  • Whether the shallow layer of soil or the deep layer of soil, from 8:00 to 20:00, each treatment at different time, soil temperature were inverse ratio with water irrigation amount.

    无论土壤浅层还是土壤深层不同处理8:00 ~ 20:00之间各个时刻土壤温度的高低水量的多少成反比

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  • Whether the shallow layer of soil or the deep layer of soil, from 8:00 to 20:00, each treatment at different time, soil temperature were inverse ratio with water irrigation amount.

    无论土壤浅层还是土壤深层不同处理8:00 ~ 20:00之间各个时刻土壤温度的高低水量的多少成反比

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