surface irrigation造句
例句與造句
- Vegetation can even take up effluent via sub - surface irrigation , especially in outer urban and rural sites
植被甚至可以通過表面灌溉吸收污水，由其在外城或者鄉(xiāng)村地帶。 - The main reasons for the growth in drip irrigation are the advantages , which it offers over sprinkler and certain conventional forms of surface irrigation
滴灌是當(dāng)今世界最先進(jìn)的灌水技術(shù)之一，同傳統(tǒng)灌水方式比較具有節(jié)水、高產(chǎn)、優(yōu)質(zhì)的優(yōu)點(diǎn)。 - Abstract : based on the principle of balance of surface irrigation water volume , a method for determination of field average infiltration parameter according to the irrigation data is introduced
文摘:本文根據(jù)水量平衡原理，提出了利用大田畦灌灌水資料推求土壤入滲參數(shù)的方法，在此基礎(chǔ)上，又提出了利用波涌灌水流推進(jìn)和消退資料確定間歇入滲減滲率系數(shù)的方法。 - The potential for water - saving can be exploited rationally by the measures , such as engineering measure , adjustment of crop planting structure , exploitation of shallow groundwater , improvement of the surface irrigation manner , development of advanced irrigation technology and improvement of water - saving management in the irrigation area
灌區(qū)節(jié)水潛力有：采取工程措施、調(diào)整作物種植結(jié)構(gòu)、開采淺層地下水、改進(jìn)地面灌溉方式、發(fā)展灌水技術(shù)、提高灌區(qū)節(jié)水灌溉管理水平等。 - In addition , this paper selects the water traveling wave model of the surface irrigation , and realizes the modeling of the water movement , according to the water movement characteristics of surface irrigation . furthermore , the optimization model for irrigation effects is used to produce the calculation pattern in which the water movement model is combined with optimization of technical parameters of irrigation . therefore , it is realized that the optimum unit discharge is calc ulated under the condition of definite length and slope of border check and the optimum length of border check is calculated under the condition of definite unit discharge and slope
與此同時(shí)，在分析項(xiàng)目區(qū)耕作條件下灌溉水流運(yùn)動(dòng)特點(diǎn)的基礎(chǔ)上，選擇地面灌溉水流運(yùn)動(dòng)波模型，實(shí)現(xiàn)了地面灌溉水流運(yùn)動(dòng)的數(shù)值模擬，并利用灌溉效果優(yōu)化模型，構(gòu)造了地面灌溉水流運(yùn)動(dòng)模擬與灌水技術(shù)參數(shù)優(yōu)化相結(jié)合的計(jì)算模式，實(shí)現(xiàn)了定畦長(zhǎng)、定坡降條件下的優(yōu)化單寬流量求解和定單寬流量、定坡降條件下優(yōu)化畦長(zhǎng)的求解，為變灌水條件下優(yōu)化灌水技術(shù)參數(shù)的確定提供了強(qiáng)有力的工具。 - It's difficult to find surface irrigation in a sentence. 用surface irrigation造句挺難的
- Due to the underdevelopment of economy , traditional surface irrigation such as border and furrow irrigation is still taken as the dominant way in farmland irrigation , which leads to the great waste of water resources . therefore , how to apply a new theory to study and improve surface irrigation technique in order to increase water use efficiency and water productivity in farmland , has become a key project in water - saving research of agriculture today
然而，由于經(jīng)濟(jì)欠發(fā)達(dá)，我國(guó)農(nóng)田灌溉仍以傳統(tǒng)的畦、溝地面灌溉技術(shù)為主，水資源浪費(fèi)現(xiàn)象還比較嚴(yán)重，因此，如何運(yùn)用新的理論研究和改進(jìn)地面灌水技術(shù)，提高農(nóng)田水分利用效率和水的生產(chǎn)效率，已成為當(dāng)今我國(guó)農(nóng)業(yè)節(jié)水研究的重點(diǎn)課題。