查询词典 irrigation engineer

Both exponential and Erlang distribution models for irrigation events are developed.

研究了指数分配和非指数分配模型及10个连续的灌溉周期。

Not only are traditional irrigation techniques inefficient because most of the water is lost to evaporation, Mr.

不仅仅是因为传统的灌溉技术是低效率的，更因为多数的水分会蒸发掉。

In this paper these parameters were studied based on the datum observed in Yongledian irrigation experiment station in Beijing.

这些参数影响SPAC系统中能量的分配和水分传输规律。同时，在采用该模型模拟农田作物的水热运移时，过去的许多算法中考虑叶面积指数主要是用它来计算消光系数k和腾发量等。

The culm length, panicle length, spikelets per panicle and panicle exsertion were evaluated by using F2:3 population including 200 lines, derived from a cross of indica and japonica Milyang23/Jileng1 under five different environments of Beijing (natural normal growing environment), Kunming (natural low temperature condition), Gongzhuling of China and Chuncheon of Korea (natural normal growing environment and cold water irrigation), and QTLs of these traits were analysed by using SSR markers.

以籼粳交密阳23/吉冷1号200个F2：3家系作为作图群体，在北京、昆明、公主岭、韩国春川（正常生长环境和冷水胁迫）等5种不同生长环境下进行了水稻秆长、穗长、穗粒数和穗抽出度等主要农艺性状的异地鉴定，并利用SSR标记进行了上述农艺性状的QTL分析。

Therefore, it is feasible to use paper making waste water as irrigation water. The extravasate can be collected and used on larger lands.

因此，制浆废水作为灌溉用水是可行的，并且下渗水经过收集后可以做为更大范围的灌溉用水。

Public Selection theory and government failure promote the emergency of Fanner's Irrigation and Water Conservancy Association.

农民用水者协会缘于公共选择理论的发展与国家在农田水利供给上的失效。

The arid and semiaridfarm belt is about 52.5％of the earth land in our country, among which the plowlandis 51 million hm~2 and is about 51％of all plowland in our country. The dry landwithout irrigation is about 65％of the and and semiarid farm belt.

我国干旱、半干旱农业区约占国土陆地面积的52.5％，其中耕地5100万hm~2，约占全国总耕地的51％，干旱、半干旱农业区没有灌溉条件的旱地占到了65％。

They were opposed to the "extravagant use of land" entailed by the communal system, which excluded the fellah from "the advantages of mechanization and irrigation" and destroyed " the incentive to improve the land".

他们反对过度使用公共土地，因为这把农民排除出土地的商业化和灌溉系统，打击了改善土地的积极性。

Farmers in China have long used techniques such as fertilisation and irrigation to make their land produce more .

中国农民很长时间来就利用像施肥和灌溉这样的技术来使得土地生产更多的粮食。

Farmers in China have long used techniques such as fertilisation and irrigation to make their land produce more.

中国的农民一直沿用诸如施肥和灌溉等手段来提高土地产量。手段来提高土地产量。句中long为副词，意为"长久地"。

We are forbidden from giving money to these shoeless, skinny children, as this will perpetuate begging.

向光着脚，骨瘦如柴的孩子施舍是不可以的，因为要招来无休无止的乞讨。

It would be hard not to fall victim to some sharpeyed policeman.

要想不被某个目光锐利的警察抓到，谈何容易。