灌溉: irrigate; irrigation; watering 短语和例子提水灌溉 irrigation by pumping; 节水灌溉 water-efficient irrigation; 由许多河流灌溉的土地 a land irrigated by many streams; 干旱地区需要灌溉才能使作物生长。 irrigation is needed to make
灌溉区: ayacutirrigated areairrigation canalirrigation district
Example Sentences:
1.
Modern irrigation methods , such as sprinkler , drip , micro - sprinkler have d ifficulties in use , both technically and / or economically while surface irrigatio n methods will reminder the main ways of water application in field for years to come 现代灌溉技术如喷灌、滴灌、微灌等无论是在技术上还是在经济上都很难在这里得到应用，地面灌溉方式在近期内仍将是主要的灌溉方式。
2.
The potential for water - saving can be exploited rationally by the measures , such as engineering measure , adjustment of crop planting structure , exploitation of shallow groundwater , improvement of the surface irrigation manner , development of advanced irrigation technology and improvement of water - saving management in the irrigation area 灌区节水潜力有：采取工程措施、调整作物种植结构、开采浅层地下水、改进地面灌溉方式、发展灌水技术、提高灌区节水灌溉管理水平等。
3.
In addition , this paper selects the water traveling wave model of the surface irrigation , and realizes the modeling of the water movement , according to the water movement characteristics of surface irrigation . furthermore , the optimization model for irrigation effects is used to produce the calculation pattern in which the water movement model is combined with optimization of technical parameters of irrigation . therefore , it is realized that the optimum unit discharge is calc ulated under the condition of definite length and slope of border check and the optimum length of border check is calculated under the condition of definite unit discharge and slope 与此同时，在分析项目区耕作条件下灌溉水流运动特点的基础上，选择地面灌溉水流运动波模型，实现了地面灌溉水流运动的数值模拟，并利用灌溉效果优化模型，构造了地面灌溉水流运动模拟与灌水技术参数优化相结合的计算模式，实现了定畦长、定坡降条件下的优化单宽流量求解和定单宽流量、定坡降条件下优化畦长的求解，为变灌水条件下优化灌水技术参数的确定提供了强有力的工具。
4.
Based on the data obtained from the experiments on the soil with same structure under three cropping patterns , this paper makes a research into the numerical relation between the parameters of infiltration model and physical parameters of soil , and forms the statistic model about them , in order to produce a simple and easily used calculation method and a model for infiltration parameters and to provide the calculation parameters as required for the technical parameters of the water - saving irrigation 本文以榆次同一质地三种不同耕作方式下的土壤在自然条件下进行的大量试验结果为依据，分析了土壤入渗模型参数与所获得的土壤物理参数之间的定量关系，研究和建立土壤入渗模型参数与土壤物理性状参数间的统计模型，为地面灌溉节水向深层次的发展提供简单易行的土壤入渗参数确定方法和模型，为确定节水灌水技术参数提供所需的计算参数。
5.
Due to the underdevelopment of economy , traditional surface irrigation such as border and furrow irrigation is still taken as the dominant way in farmland irrigation , which leads to the great waste of water resources . therefore , how to apply a new theory to study and improve surface irrigation technique in order to increase water use efficiency and water productivity in farmland , has become a key project in water - saving research of agriculture today 然而，由于经济欠发达，我国农田灌溉仍以传统的畦、沟地面灌溉技术为主，水资源浪费现象还比较严重，因此，如何运用新的理论研究和改进地面灌水技术，提高农田水分利用效率和水的生产效率，已成为当今我国农业节水研究的重点课题。
