查询词典 irrigation engineer

The one-dimensional complete hydrodynamic model for border irrigation based on the hybrid numerical method can obviously increase computational stability and convergence, and effectively improve computational precision and efficiency, and provide a good numerical simulation tool for the design of border irrigation system and performance evaluation.

基于混合数值解法的一维畦灌全水动力学数值模拟方法可明显增强数值计算的稳定性和收敛性，有效提高了计算精度和效率，为开展畦灌系统设计与性能评价提供了可靠的数值模拟手段。

The curve of drip irrigation's soil moisture content with corn's stage was smoother than that of border and furrow irrigation.

播前玉米地土壤含水率随土层深度增加而增加，收获后土壤含水率则随土壤深度的增加而减小。

Border irrigation current advancement process model plays an important role to determine irrigation technical index, average field infiltration rate and roughness coefficient.

畦灌水流推进过程计算模型对确定灌水技术要素、田间平均入渗率和糙率有十分重要的作用。

The model simulates all phases of continuous and surge flow irrigation including simultaneous advance and recession and can also be ap- plied to basin and border irrigation with various field slopes.

。该模型模拟所有阶段的连续波涌灌溉方式，包括同步前进，经济衰退也能是溶质灌溉与各领域的斜坡盆地和边界。

The moisture content of drip irrigation soil was lower than border and furrow irrigation below 40cm.

滴灌对垂直深度55cm以下深层土壤水分影响甚微。

County is located in Hebei Plain, light and heat sufficient underground water is rich in beneficial irrigation, another benefit Shijin irrigation drainage and agriculture is developed.

县境位于河北平原，光热充足，地下水丰富，利于井灌，又有石津渠灌溉之利，农业发达。

In the experi- ment and practice m the zhongwei North Main Canal of the Hetao Irrigation District, a cheap and quick functioned slope protection method of soil and grass mixture for tree planting has been searched for de- sign and construction of irrigation canal and drainage in the desert region.

河套灌区在中卫北干渠进行了试验，在沙漠建渠道，用人工和植物固沙，沙漠区排水沟道的设计则充分考虑水流冲刷，对沟道防坍塌摸索了一条花钱少、见效快的草上植柳护坡办法，并在灌区内植树造林以固沙。

The authors discuss the necessity and feasibility of implementing controlled drainage in Yinnan irrigation district based on present situation and put forward methods and steps about how to implement controlled drainage in Yinnan irrigation district.

根据宁夏银南灌区目前灌溉排水的现状，论证在该灌区实施控制排水的必要性和可行性，并且提出了在银南灌区如何实施控制排水的方法和步骤。

Self-financing Irrigation and Drainage District, the so-called SIDD, is a kind of alternative irrigation pattern introduced from foreign countries in the 1990s.

但随着市场经济的发展，传统的灌区管理与远行体制已不能适应水利事业和农村经济发展的要求，迫切需要一种最有效的管理方式。

Stalinization of soil is serious because of the Plain district irrigation drainage system is not complete, in addition backwards of irrigation methods and coarse-grained management methods.

平原灌区排水系统不完善，加之灌溉方法落后，管理粗放，土壤盐渍化比较严重。

The two-acre Dunbar Community Garden in Little Rock has served as a model for several years.

几年来，坐落于小石城，占地两英亩的邓巴社区菜园树立了一个标杆。

Jerry points to the jacket hanging in the bathroom. It's ruined, and unwearable What?

杰瑞指着洗手间里挂着的夹克，毁了，不能穿了）什么？