The eco-environmental water requirement in 2005 was less than that in 2000.
计算结果表明：2005年湿地生态环境需水量较2000年有所减少。
Crop coefficient is the basic parameter for determining crop water requirement.
作物系数是计算作物需水量必不可少的参数。
This is because the daily water requirement can include the water content in foods.
这是因为日常用水的要求可以包括在食品含水量。
Spatial variation of crop water requirement was studied basis on the geo-statistics.
基于地统计学方法分析了灌区作物需水量的空间变异性。
The current research status of ecological and environmental water requirement was summarized.
对国内外生态环境需水量研究现状作了概述。
For the case of operation of single pump-set, the model of water requirement forecast is given.
对于泵站单独运行的情况，给出了用水量的预报模型。
The dynamic of the agricultural soil water is the key issue to regulate the crop water requirement.
农田土壤水分动态是作物需水管理的关键。
In the field we observed that takins licked snows or drank water directly to meet their water requirement.
野外见到羚牛以直接饮水或舔雪的方式来补充对水份的需求。
Its water requirement is about 1.4 million cubic meters per day, but domestic resources can only meet 50%.
它的需水量大约为每日1.4百万立方米，但国内资源只能满足50%。
Study on the ecology water requirement is the emphasis and difficulty for current water resources management.
生态环境需水量是当前水资源管理等学科研究的重点和难点。
Based on the data collected in this study, net irrigation water requirement of main crop in china has been gotten.
根据收集到的资料，计算得出全国主要作物的净灌溉需水量。
The total water requirement for sediment transport in the Lower Yellow River is the reflection of this self adjustment.
黄河下游输沙用水总量是黄河下游河道这种自动调整水沙关系的宏观表现。
On the other hand, the continuous increase of water requirement will decrease the waste water plentiful which can be diluted.
另一方面，用水需求的不断增长将使得可用于稀释废水的水量大大的减少。
The paper studied water requirement and deficit patterns of watermelon under RDI in arid-hungriness oasis area, Gansu province.
本文就甘肃民勤荒漠绿洲区覆膜西瓜在调亏灌溉条件下的耗水规律与调亏模式进行了研究。
The research on the ecological water requirement is still at the initial stage, and its connotation has not yet been nailed down.
生态环境需水量的研究还处于起步阶段，对于其内涵尚无统一的界定。
In other time crops coefficient between the two crops of change, it is to produce a crop of the main reason rop water requirement.
在其他时间里作物系数均在两种作物系数之间变化，这是产生作物需水量降低的主要原因。
Thereinto forecasting of water requirement is the datum basic and critical condition of multi-dimension critical adjustment model;
其中需水预测最终为多维临界调控模型提供数据基础和边界条件；
At last, a drought index model was developed by considering the water requirement of winter wheat and the available soil water content.
最后，根据冬小麦的需水规律和土壤有效水含量构造干旱指数模型。
Seawater substitute, for the cities near the coast, is one of effective routes to keep the balance of water supply and water requirement.
对于沿海城市，海水代用是解决供水矛盾的有效途径。
Crop water requirement is not only an important factor for water resource management, but also a major reference for the irrigation planning.
作物需水量的掌握不但是水资源规划利用的重要因子，更是拟定灌溉计划的依据。
The daily drinking water requirement per person is 2-4 litres, but it takes 2 000 to 5 000 litres of water to produce one person's daily food.
每人每天饮用水需要量为2 -4升，但是生产一个人每日口粮所需要的水为2000至5000升。
The synthetic crop coefficients are evaluated by analyzing the experiment data on water requirement of rice in plastic film mulched dryland (RPFMD).
分析了覆膜旱作水稻需水量试验资料，得出覆膜旱作水稻各生育阶段综合作物系数。
Then by analysing the relationship between crop climatic yield and precipitation we obtained the water requirement index in different growth durations.
用降水与分离的气候产量进行回归分析得到需水量，进而评价其满足程度。
The water requirement and growth in paddy rice were studied under four different irrigation methods and different evaporation and seepage with pot culture.
利用桶栽试验，研究了在不同灌溉方式及不同蒸发渗漏处理下的水稻需水量和对水稻生长的影响。
This paper introduces the main method to predict industrial water requirement, to analyse totally risk factors in prediction of industrial water requirement.
介绍工业需水量预测的主要方法，综合分析工业需水量预测中的风险因素。
Rainfall frequency analysis is used commonly to determine probability of irrigation water requirement, and to choose typical years for irrigation project design.
灌区灌溉设计中，常用降雨量进行频率分析来选取灌溉设计保证率及其对应典型年。
That is the farmers have no choice but to irrigating by turns. And they can't take into account distributing of crops and water requirement and water content of soil.
这种供水方法而不考虑片内作物分布和作物品种差异对需水的要求及土壤的实际含水量。
That is the farmers have no choice but to irrigating by turns. And they can't take into account distributing of crops and water requirement and water content of soil.
这种供水方法而不考虑片内作物分布和作物品种差异对需水的要求及土壤的实际含水量。
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