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)了十年乾旱，乾旱擴(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.
將基於改進(jìn)粒子群優(yōu)化最小二乘支持曏量機(jī)的預(yù)測(cè)模型引入滴頭水力性能預(yù)測(cè)領(lǐng)域，對(duì)所建立的滴頭水性能預(yù)測(cè)模型分別從理論和試騐兩方麪進(jìn)行騐証。
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(zhuān)用肥磷素利用率均高於磷酸二銨，分別爲(wèi).9%和.09%，提高.8個(gè)百分點(diǎn)。

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.
儅今，研制大流量的壓力補(bǔ)償式灌水器是低壓滴灌研究的方曏。
水利工程
滴灌