contour check irrigation是什么意思

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用法例句

Method for calculating safe baseline of regional farmland irrigation water and its application;

区域农田灌溉水数量安全底线测算方法及应用

Prediction of farmland irrigation water demand by grey GM(1,1) model;

基于灰色GM(1,1)模型的农田灌溉需水量预测

Discussion on present situation and reform ways of management mechanism for high efficient water use in farmland irrigation;

浅论农田灌溉高效用水管理机制的现状及改革途径

Ill-effect of waste water used as farm irrigation could be resolved through controlling irrigation water quality strictly and adopting reasonable irrigation system and technolog.

对废水用于农田灌溉的不良影响,可通过严格控制灌溉水质、结合作物需求采用合理科学的灌溉制度及灌溉技术等加以解决。

In consideration of the complexity and real-time characteristic of farm irrigation management and the specific situation of Xishan City of Jiangsu Province, a decision-making support and control system for farm irrigation is developed, helping decision-making support and control to feed back to each other.

基于农田灌溉用水管理的复杂性和实时性 ,结合江苏省锡山市安镇农田灌溉管理的具体情况 ,研制开发了农田灌溉决策支持与控制系统 ,使决策支持与控制互为反馈 ,两者有机集成 。

Study on the designing of the rainwater harvesting irrigation system;

农田灌溉雨水集蓄系统设计研究

The features, history, and current of farming irrigation in Beijing area, and the way to deal with its problem were discussed systematically in the paper.

系统分析了北京市水资源现状及农田灌溉的发展历史、现状、特点、发展趋势、存在的问题及对策与措施。

Based on irrigation experiment data of 4422 station years taken from 22 provinces for 10 kinds of main grain crops from 1980 to 1986, average water use efficiency(WUE) of grain crops in irrigated farmland in China was set as about 1.

以 1 98 0年至 1 986年、2 2个省 (市、自治区 )、1 0种作物、共计 44 2 2个站的年实测作物耗水量和产量数据为基础 ,用加权平均法计算得到全国灌溉农田上粮食作物平均水分利用效率值约为 1 。

Development of Automatic Control System for Irrigation

农田灌溉自动化控制系统的开发研究

Irrigation Water Right Compensable Transfer and Countermeasures of Farmer s Benefits Protection;

农田灌溉用水权有偿转让机制与农民受益研究

Investigation of Irrigated Water Qualities in Xinjiang Farmland and Discussion of Treatment Methods with It;

新疆农田灌溉排水水质调查和其处理方法探讨

Method for calculating safe baseline of regional farmland irrigation water and its application;

区域农田灌溉水数量安全底线测算方法及应用

A Study on the Farmland Irrigation Information Management System in Nanyang;

南阳市农田灌溉信息管理系统若干问题探讨

Reliability Analysis on Farmland Irrigation System with Unascertained Model

农田灌溉系统可靠性分析的未确知数学模型

Determination of Nitrite in Irrigation Water by Ion Chromatography

离子色谱法测定农田灌溉水中亚硝酸盐

A new reservoir has been built to water 80 percent of the farmland.

新建了一座水库，使80％的农田得以灌溉。

The Yangtse River irrigates vast stretches of farmland along its course.

长江灌溉着两岸的大片农田。

They had dug an irrigation channel for the farmland.

他们已经为农田挖了灌溉渠。

These will bring all the nearby farmland udder irrigation.

这些将使附近所有农田都得到灌溉。

Study on Some Characteristics about Sewage Irrigation Farmland of Beijing Region;

北京地区污水灌溉农田若干特征研究

Discussion on the Application Prospect of Irrigated Farmland with Reclaimed Water in Shanxi Province

试论山西省再生水灌溉农田应用前景

Farmland Water-efficient Irrigation System Based on the ZigBee Technology

基于ZigBee技术的农田节水灌溉系统

Changing of Water and Soil Environment before and after Water-saving Irrigation in Hetao Irrigation and the Simulation of Water and Fertilizer Efficiency in Farmland

河套灌区节水溉灌溉前后水土环境变化及农田水肥效率模拟

Analysis of soil water characteristics of farmland under different winter storage irrigation in Hexi Region of Gansu Province

甘肃河西地区不同储水灌溉和生育期灌溉农田水分特征分析

The purposes of these projects were both irrigation and the building of canals for transport.

它们既可用来灌溉农田，运河还可用作运输航道。

Micro-climate of Winter Wheat Field under the Conditions of Irrigation and Straw Mulching

灌溉与秸秆覆盖条件下冬小麦农田小气候特征