灌溉水利用系数是衡量农业节水效果的关键指标。
Water efficiency of irrigation is a key criterion for evaluation of agricultural water saving effect.
灌溉水利用系数包括渠系水利用系数和田间水利用系数。
The utilization coefficient of irrigation water contains the utilization coefficient of canal system water and field water.
通过渠道清淤防渗工程和小农水连片建设,有效地提高了灌溉水利用系数。
Seepage through the channel dredging project and the construction of small-scale water contiguous to effectively improve the utilization coefficient of irrigation water.
农业灌溉水有效利用率低下,灌溉水利用系数不足0.4,灌区节水有相当大的潜力。
The effective utilization rate of agricultural irrigation water is very low. Its utilization factor is below 0.4 that there are great potentialities on water saving in irrigated regions.
潍坊又是农业大市,农业用水占全市用水量的85%,全市灌溉水利用系数在0.5左右,农业节水潜力巨大。
Weifang is also the big agricultural city, the water used in agriculture occupies 85% of the whole city water consumption. The utilization coefficient of the whole city irrigation water is about 0.5.
文摘:灌溉渠系的布置形式一般可分为串联渠系、等效并联渠系和非等效并联渠系,对这3种灌溉渠系水利用系数进行了理论研究。
Layout forms of irrigation canal system can be generally classified as three categories: series-wound canal system, equivalent shunt-wound canal system and nonequivalent shunt-wound canal system.
文摘:灌溉渠系的布置形式一般可分为串联渠系、等效并联渠系和非等效并联渠系,对这3种灌溉渠系水利用系数进行了理论研究。
Layout forms of irrigation canal system can be generally classified as three categories: series-wound canal system, equivalent shunt-wound canal system and nonequivalent shunt-wound canal system.
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