duty of water是什么意思

网络释义

用法例句

Analysis of water requirement for urban ecological environment at present in Yinchuan;

银川市城市生态环境需水量现状分析

Present utilization situations of water resources in Yuncheng and water requirement prediction;

运城市水资源利用现状及需水量预测

Analysis on water requirement of vegetations of woodland and meadow in the Wulanchabu league under ecological environment;

水约束下乌兰察布盟林草植被的需水量分析

Preliminary study on urban eco-environmental water requirements;

城市生态环境需水量研究

Validity examination of simulated results of crop water requirements

作物需水量模拟计算结果有效性检验

Studies on ecological and environmental water demand of Jialingjiang River;

嘉陵江生态与环境需水量研究

Review of eco-environmental water demand;

生态环境需水量研究综述

Based on the method of neural network the relationship between the water demand ratio and the geometric and rheological characteristic parameters of fly ash was studied.

通过建立BP神经网络模型 ,处理了粉煤灰颗粒群特征参数 (比表面积、形状因子、分数维、烧失量 )和流变学参数 (屈服应力、塑性粘度等 )与其需水量比之间的关系 。

Effects of quality index,which are loss on ignition,SO_3,fineness and water demand ratio, on quality of fly ash are expatiated in this article.

　本文阐述了烧失量、SO3、细度和需水量比等品质指标对粉煤灰质量的影响。

Grade-Ⅰ fly ash has become an indispensable additive of low-strength and high-performance dam concrete,and its water demand ratio is an important quality index.

Ⅰ级粉煤灰已成为低标号高性能大坝混凝土的一种不可或缺的掺合料 ,粉煤灰的需水量比是其品质特征的一项重要指标。

isoline map of crop evapotranspiration

作物需水量等值线图

Ecological environment water requirement priority and ecological environment water demand in MinQin Basin

民勤盆地生态环境需水优先次序和需水量

water requirement for normal consistency of cement paste

水泥净浆标准稠度需水量

The Research about the Environmental Water Requirement of Small Watersheds Water and Electricity Exploitation;

小流域水电开发生态环境需水量研究

Study on Water Demand Forecast in Water Supply Planning of TEDA;

开发区给水规划中需水量预测的研究

Research and application of the prediction of reclaimed water demand in city

城市再生水需水量预测的研究与应用

Study on Ecological Water Requirements for Restoring the Oasis in Ejina Region;

额济纳地区绿洲恢复生态需水量研究

A Study of Ecological and Environment Water Requirements in Northern Interlacing Agro;

北方农牧交错区生态环境需水量研究

Study on Ecological Water Demand of West Region of Chongqing;

重庆市渝西地区生态需水量计算研究

Eco-environmental Water Demand about the Main Current of the Huifa River in River Course;

辉发河干流河道生态环境需水量研究

Zhalong Wetland Function Assessment and Ecological Water Requirment Research;

扎龙湿地功能评价及生态需水量研究

Agricultural Irrigation Water Requirement and Its Regional Characteristic in China;

全国农业灌溉需水量及区域特性研究

We need numerous drinking water.

我们需要大量的饮用水。

biochemical oxygen demand meter for seawater

海水生化需氧量测定仪

consumption level method of demand forecasting

需求量预测消费水平法

But it takes a lot of water to grow rice.

但是，种水稻需要大量的水。

Discussion on Determination Method of the Chemical Oxygen Demand in Water and Waste Water

水和废水中化学需氧量测定方法探讨

Development of Seawater Chemical Oxygen Demand Measurement Instrument Based on Ozone Analysis

臭氧法海水化学需氧量测量仪的研制