英语释义

1. the ratio of the weight of water absorbed during the growth of a plant to the dry matter produced often expressed as the number of grams of water taken up per gram of dry weight of plant product

片语

water-requirement law需水规律

army water supply requirement部队给水需要量

water quality requirement水质要求

water r requirement in transplantation插秧期需水量

water requirement of crop作物需水量

water supply requirement供水要求

water-requirement prediction需水预测

net water requirement凈需水量

water requirement in transplantation插秧期需水量

water demand需水量

英汉例句

• the irrigation water requirement is mainly focused on full irrigation .

  本论文主要进行充分灌溉条件下农业灌溉需水量的计算。

• the mix proportion of rpc obtained by this method was verified by experimental programs for minimum water requirement of paste and orthogonal experimental design for rpc.

  采用浆体最小需水量试验和配合比正交设计试验对设计结果进行了验证。

• 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。

• the definition of ecological water requirement is proposed from different point of view based on former research in this study.

  总结了前人的研究工作，从不同角度对生态需水进行了科学的界定；

• scientific analysis and forecast to city life water requirement is the precondition to meet the need of city development and to ensure reasonable layout of water resources programming.

  对城市生活需水量进行科学地分析和预测是满足城市生活发展需求、保证水资源合理规划的前提。

• 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。

• 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。

• after that, take yanan city for example to calculate two kinds of ecological water requirement in the year of 2000.

  以西北黄土高原地区延安市为例，分别计算了2000年来水条件下的河道内及河道外生态需水。

• a systematic forecast method for city life water requirement is established, and it has theoretical and practical significance to provide a reference for city water resources programming.

  并建立起一套系统的城市生活需水量预测方法，为城市水资源规划提供决策参考，具有理论和实践意义。

• based on the concept of ecology water need and minimal ecology base runoff, the ecology water requirement in and outside of river channel of nandujiang river was computed with multiple methods.

  在分析生态需水概念的基础上，以最小生态基流为思路，利用多种方法计算了南渡江河口的河道内生态需水量和河道外生态需水量。

• based on the ecological water requirement , the water requirement in industry, agriculture and living in 2010 and 2020 was forecasted, and water balance was demonstrated.

  基于生态需水的基础上，对龙河流域2010，2020年的农业、工业和生活需水量进行了计算，并对流域水资源平衡进行了论证。

• 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。

• nowadays with the development of economy and society, the water requirement in the city is becoming more and more.

  近年来，随着经济和社会的发展，城市对水的需求量越来越大。

• 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。

• in a case study in ejina oasis, ecological water requirement was calculated for its different landscapes.

  以额济纳地区为例，分析研究了该地区不同景观的生态需水量。

• 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。

• loss on ignition and fineness influence water requirement and activity of fly ash, and have effects on performance of fly ash concrete.

  烧失量与细度影响粉煤灰的需水量和活性，进而影响粉煤灰混凝土性能；

• 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 calculation method of ecological water requirement has been summarized.

  并按河道内与河道外之分，给出了生态需水量的计算方法。

• the township water supply planning includes water requirement prediction, water source planning, developing planning, water supply system, technology flow chart selection and economic evaluation.

  乡镇供水规划包括需水量预测、水源规划、发展规划、供水系统和工艺流程系统选择以及经济评价等内容。

• 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。