灌溉

Topiary Joe builds very stout traditional cutting frames for shrubbery and vines plus stuffed, irrigated and planted American portable style topiaries.

绿色雕塑乔建立非常斯图特传统的切割框架灌木和藤，再加上填充，灌溉和种植的美国便携式作风topiaries。

The flow characteristics in the flow path of emitters must be understudied roundly in order to design an emitter with high performances.But the labyrinth path was very narrow and complex,and the archetype experiment of the emitters was unreasonable both in the technology and...

通过对迷宫式流道内部流体流动特性的分析，构建了表征迷宫式流道内部流动的数学物理模型；对所选取的目前中国农业灌溉领域最为典型的三种圆柱型灌水器，借助FLUENT6.1 CFD流场软件分析平台实现了流道内部流速分布、涡量分布、紊流强度分布等流动特性的可视化，为新型灌水器流道研制提供一定理论基础。

The estimation of evapotranspiration from vegetated surfaces is a basic tool to compute water balances and to estimate water availability and requirements.

参考作物蒸发蒸腾量(ET0)是计算作物需水量和进行灌溉预报的基础要素。

Almost two-thirds of Afghanistan, one of the world's poorest places, where 30 years of anti-Soviet, then civil and now anti-NATO war have obliterated irrigation systems and turned roads to dust, is considered too dangerous for aid agencies to reach.

阿富汗是全世界最贫穷的国家之一，在过去曾有30年的反苏历史，之后转向民权政体。可现在这场将灌溉设施彻底摧毁，将道路化为尘土的反北约战争，却让这个国家几乎三分之二的领土被认为充满危险，援助机构无法进入。

The results showed apple leaf marginal withered was caused by single salt poison in soil. And that the origin of soil salt was irrigated by tiny salt water or middle degree salt water again and again. Along with irrigated number of year increasing, single salt poison tend towards more severity.

结果表明：苹果叶缘焦枯是由于土壤中单盐毒害所致，而土壤中盐分的来源是通过微咸水和中度咸水灌溉累积造成的，随年限的增加，危害日趋严重。

This research provides academic and instructive meanings for sustainable development of agriculture in semi-arid or arid irrigation region.

该研究对干旱半干旱区灌溉农业的可持续发展具有指导意义。

New sea 21 are varieties which can save water effeciently,so they have advantage in arid and semi-arid region.

新海21是节水型品种，能够较充分的利用有限的灌溉水，在干旱半干旱地区具有强大的优势。

Yellow river valley is typical arid and semiarid region in China.

黄河流域是我国典型的干旱和半干旱地区，流域缺水、支流水质污染和污水灌溉面积的增加对环境、农业生产和农产品安全造成了潜在的威胁。

Suo yang cheng with China's best-preserved ancient military defense systems and the ancient irrigation system.

锁阳城具有我国保存最完好的古代军事防御系统和古代农田水利灌溉系统。

They stop the flow of rivers, block ponds in irrigation systems, interfere with fishing and spread diseases.

它们淤塞河道，阻塞灌溉系统中的水塘，妨碍养鱼作业，传播疾病。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。