在多孔土壤，例如，低流量灌溉不会蔓延到覆盖整个根系。
In porous soils, for example, low flow irrigation won't spread to cover an entire root system.
水的逐步商品化要求供水计量精度得到保证，特别是大流量的农业灌溉或工业供水尤显重要。
The flow measurement precision is very important as water gradually commercialized especially for large flow agriculture irrigation and industry water supply.
通过机组改造，不仅满足了近期工业供水的要求，同时也满足了农业灌溉小流量随机性要求。
The unit transformation satisfies not only the requirement of the current industrial water supply, but also the requirement of the randomness of small flow for the farm irrigation.
通过理论分析，给出方形喷洒域变量施水精确灌溉喷头的射程、流量和转速应服从的变化规律和计算公式。
The variation principles of the throw distance, flow rate and rotation speed of variable-rate sprinklers for precision irrigation on square area were given.
普拉·斯托灌溉系统主要致力于低流量灌溉方案。
Plastro Irrigation Systems is focusing its efforts on Low Volume Irrigation solutions.
计算了典型支渠所属斗﹑农渠设计流量，阐述了灌溉渠道断面的设计思路。
This paper calculates the design flow of the sublateral canals of the typical branch canal, and expounds the design thought of the cross-section of the irrigation canal.
给出智能灌溉管道流量计的设计方法，以及高精度传感器的选择。
The design method of irrigation pipe flow meter is presented and high precise sensor is chosen.
结果表明：灌溉水分生产率及毛入流量水分生产率总体上随空间尺度的增大而增大，但于某些年份在中等尺度上有降低的现象；
The results indicate that in general, the irrigation water productivity and gross inflow water productivity increase with the scale except in mesoscale it were decrease in some years.
历史时期百泉泉水在卫河漕运中发挥了重要作用，时至解放后其天然流量仍能灌溉农田8万余亩。
Bai Spring water took an important role in the transportation of Wei River in the past history, even after liberation whose natural rate of flow could also irrigate over 80,000 - mu farmland.
实际作物腾发量是水平衡模型计算的一个重要变量，它和每日降雨量，灌溉量及土壤径流量共同计算静止水的亏缺量。
Actual evapotranspiration is a significant variable in the water balance calculation. It links daily rainfall, irrigation amount and soil bypass flow to calculate an immobile water deficit.
这些地区由于地势低洼，提水扬程不高，但农田灌溉或排涝的输水量相称大，应该采用“低扬程、大流量”性能特点的轴流泵。
Because of these low-lying areas water lift is not high but the irrigation or drainage water a considerable loser should adopt a "low-head large flow" performance characteristics of axial flow pump.
模型还可研究灌溉系统内各子系统的优化供水流量和优化轮灌方案。
The optimum canal discharge and irrigation rotation schedule were also studied in the models.
研究结果表明，径流量干旱指数与河西灌溉区春小麦气候产量呈反位相的变化趋势。
The result shows that runoff drought index and spring wheat climate output of Hexi irrigational area appears opposite variation tendency.
研究结果表明，径流量干旱指数与河西灌溉区春小麦气候产量呈反位相的变化趋势。
The result shows that runoff drought index and spring wheat climate output of Hexi irrigational area present opposite variation tendency of phase.
研究结果表明，径流量干旱指数与河西灌溉区春小麦气候产量呈反位相的变化趋势。
The result shows that runoff drought index and spring wheat climate output of Hexi irrigational area present opposite variation tendency of phase.
应用推荐