By thinking of the geo-environment problems caused by the decrease of water level, inthe future the extraction rate of groundwater source plants should be reduced by at least30% of the rate in 2000.
考虑到不至于由于地下水位下降而引发各种环境地质问题，北京主要地下水供水源地今后应至少降低2000 年开采量的30%进行地下水开采。
The photosynthetic rate of the leaves declined with the decrease of soil water potential, but drought-resistant varieties reduced less than drought-sensitive ones.
叶片光合速率随土水势的下降而减小，抗旱性品种减小的幅度小于抗旱性较差的品种。
Following the elevating of saved amount of water withdrawal the saved amount of water consumption increases gradually but the increase rate tends to be reduced.
随着取用水节水量的提高，耗水节水量也逐渐增加，但增加幅度越来越小，最后趋近于零。
The main water issues in Anyang Region are: the deficit of water resources and the quick reduced rate of the groundwater table.
安阳地区的水问题主要有：水资源不足与地下水位下降速率加剧。
The discharge of industrial waste water is reduced and the discharge rate is low;
工业废水排放量减少，排放达标率呈上升趋势；
The ability to dry-down rate on leaves was also improved, the ability to bound water of leaf was increased and the ratio to free water and bound water of leaf was reduced.
能改善玉米叶片的抗脱水能力，增加叶片束缚水含量，降低自由水含量与束缚水含量的比值；
The application results indicated that the water supply cost was saved 20%, leakage rate was reduced from 28% to 8% comparing with average values of the 5 years before the operation.
应用结果表明，与投运前五年平均值相比，供水成本节约了20%，漏损率从原来的28%降到8%。
In 1-d experiment, we found that without controlling the air outflow the water inflow rate was reduced compared with the water inflow rate under the condition, as observed by other researchers.
在一维入渗实验中，我们发现在控制气体出流的情况下水的入渗速率比在没有控制的情况下有所减少。
To improve the utilization of activated carbon, the filtration rate should be reduced and the touched time between the activated carbon and the water should be increased.
要提高活性炭的利用率，则需要降低滤速，增加水样与活性炭接触时间。
To improve the utilization of activated carbon, the filtration rate should be reduced and the touched time between the activated carbon and the water should be increased.
要提高活性炭的利用率，则需要降低滤速，增加水样与活性炭接触时间。
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