灌溉

In order to research technical parameters and irrigation indexes of partial rootzone non-pressure subirrigation, the law of outlet flow rate at different aperture diameters and the soil water status were analyzed through cucumber experiment in greenhouse.

为了探明根区局部控水无压地下灌溉技术参数和指标，通过在蔬菜大棚中种植黄瓜的试验，研究分析了在不同供水压力条件下的孔口出水规律和根区局部湿润状况。

We meant to study the effects of different water elevations of non-pressure subirrigation on some indexes of tomato,including soil water status around crop rootzone,morphological indexes,physiological indexes,photosynthetic indexes,yield,quality and water use efficiency.

探明无压灌溉不同供水水平对作物根区土壤水分条件、番茄的形态指标、水分生理指标和光合生理指标及产量、品质和水分利用效率的影响。

Non-pressure subirrigation ; aperture outflow ; soil water content ; cucumber

无压地下灌溉；孔口出水；土壤水分；黄瓜试验

An ample water supply is probably the greatest advantage of soil submergence for irrigated rice.

大量供水可能对灌溉水稻淹水土壤有很大好处。

Biotic reclamation of the saline and alkaline land means the direct planting of the salt- enduring plant in salinization land, in conventional irrigation, not to require any subsidiary condition and facilities,in which the soil salinity is retained beyond the root system zone in soil profile.

生物改良盐碱地，指利用耐盐植物直接种植，通过常规灌溉，不需要任何附加条件和设施，将土壤盐分控制在植物根系土层以下的土体中。

Subsurface irrigation is limited in its adaptation.

地下灌溉的适用性是有限制的。

Subsurface drip irrigation is one of effective irrigation methods. But it is easy to clog.

地下滴灌是一种高效的节水灌溉技术，但系统易于堵塞，堵塞问题成为影响地下滴灌成败的关键。

Subsurface irrigation, also called sub-irrigation, can be considered as a controlled drainage system.

地下灌溉可以看作是一个有控制的排水系统。

It also provides some suggestion for practice in sugarcane irrigation.

喷灌是目前解决甘蔗灌溉的比较好的模式。

Launching from a drainage pipe, young men in the village of Ghaira in southwestern Tajikistan cool off in the only swimming hole around: an irrigation canal.

15塔吉克斯坦西南部Ghaira村的小伙子从一根排水管上下水，在一个仅仅一孔之围的处所游泳纳凉：那是一处灌溉渠道。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐