trickle irrigation

常見例句

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