trickle irrigation

基本解釋

But the ten years of drought before this efflorescence followed a huge expansion of irrigation in the 1970s and 1980s that reduced the flow of the Murray to a trickle.
從20世紀(jì)70年代到80年代，在此繁榮景象出現(xiàn)之前持續(xù)了十年干旱，干旱擴(kuò)大了灌溉的需要，導(dǎo)致墨累河成了涓涓細(xì)流。
A novel prediction model for hydraulic performance of trickle irrigation emitter based on modi? fied PSO least square support vector machine is proposed and verified by experiment.
將基于改進(jìn)粒子群優(yōu)化最小二乘支持向量機(jī)的預(yù)測模型引入滴頭水力性能預(yù)測領(lǐng)域，對所建立的滴頭水性能預(yù)測模型分別從理論和試驗兩方面進(jìn)行驗證。
jhe.ches.org.cn
Field difference displaying method showed that phosphorus use efficiency of the trickle irrigation specific fertilizer reached . 9%, which increased . 8% over that of ammonium phosphate (. 09%).
差值法結(jié)果：滴灌專用肥磷素利用率均高于磷酸二銨，分別為.9%和.09%，提高.8個百分點。

But the ten years of drought before this efflorescence followed a huge expansion of irrigation in the 1970s and 1980s that reduced the flow of the Murray to a trickle.
ECONOMIST: So long as it doesn’t cost too much

滴灌
Low pressure trickle irrigation is popular with farmers. Currently, the study direction of drip system is to develop low pressure emitters.
當(dāng)今，研制大流量的壓力補(bǔ)償式灌水器是低壓滴灌研究的方向。
水利工程
滴灌