为保证船舶下水过程中的结构安全，提出了一种船舶弹性下水计算方法。
An elastic calculation of ship launching has been developed for the structural safety of ship during launching operation.
模块适用于MAPGIS环境下地下水计算中各种网格剖分结点插值数据的自动生成与可视化。
The module can be suitable to the automatic formation and visibility of the interpolation data at each mesh cross section point in underground water calculation with MAPGIS environment.
他也做了件难以置信的事：他决定无论计算所得的下水道排水量是多少，他都要把它们翻倍，为了将来。
He also did one fabulous thing: he decided that whatever calculations he made for the flow of sewage, he would double them, for the future.
他们结合现有最好的地下水使用信息来计算蓄水层地下水的净输出或净输入量。
They combined this with the best available information on groundwater usage to calculate the net amount of water leaving or returning to aquifers.
现在普遍使用计算机管理地下水库。
Computers are in widespread use now to help manage underground water reservoir.
计算了郑州市地表水资源量、地下水资源量、水资源总量和水资源可利用量。
The quantity of surface water and ground water, water resources gross and its available quantity of these years are calculated.
通过实例计算，此法用于地下水位的动态分析效果显著。
Through Calculation examples this method is proved to be satisfactory for analyzing dynamic state of groundwater level.
上海交通大学船舶流体力学研究室新近对导管架下水过程的理论计算和模型试验进行了开发性研究。
Theoretical calculations and model tests of jacket launching process has been carried out recently in the Ship and Ocean Engineering Hydrodynamics Laboratory of Shanghai Jaio Tong University.
结合工程实际情况，介绍在有地下水地区的暗渠施工降水案设计、涌水量计算、水泵选择。
An introduction is given to dewatering design, calculation of gushing water volume, and selection of pump for the construction of underdrain.
这些技术的开发应用，有效地解决了高海拔条件下水轮发电机材料的选取、通风冷却计算、绝缘防晕及电气性能等技术难题。
The development and application of these new techniques can effectively solve the problems on generator material selection, vent cooling calculation, insulation anti-corona and electric performance.
管理模型的计算结果说明该方法精度较高，工作量少，是地下水资源管理模型建立及求解的有效方法。
Solving results of management model show the high precision, simplified solving process and efficiency for foundation and solution of groundwater resources management model of this method.
基于优化模型和遗传算法的运算过程，编写计算程序，实现地下水数学模型的自动识别。
Based on the optimization model and the work process of genetic algorithms, the program was written to calibrate the groundwater model.
通过模型在黄土高原灌区的应用实例，分析了该模型对灌区地下水位动态调控计算的可靠性和有效性。
The reliability and effectiveness of the model in adjusting and controlling groundwater dynamic regime also are analyzed with a case study in an irrigated area in the loess plateau.
只要能准确求取地下水水质参数、水文地质参数，利用此法能准确地计算地下水污染造成的经济损失。
If groundwater quality parameters and the hydro-geological parameters could be obtained, the economic loss of groundwater pollution could be calculated accurately.
为给船体下水提供水动力参数，采用计算流体动力学（CFD）方法对船体从船台上纵向重力式下水过程进行动力学分析。
To supply hydrodynamic parameters for ship launching, computational fluid dynamics(CFD) method was used to analyze the process of longitudinal gravity launching for ship from a slipway.
本文介绍模糊相似比在地下水环境质量评价中的计算方法及步骤。
This paper introduces the calculating method and procedure of the fuzzy similarity ratio in the environmental quality assessment of groundwater.
对典型区域—甘井子区采用人工神经网络模型法建立了地下水可开采量的计算模型。
In Gangjingzi district, the typical area, the calculation model of allowable groundwater exploitation is built by the method of artificial neural network.
根据地下水降深、降落漏斗影响半径、岩土工程地质性质，计算降水引发的地表沉降值、水平移动、倾斜、曲率现状值。
We calculated the surface subsidence, horizontal displacement, incline, and current curvature using the groundwater drawdown, conical depression influence radius of water cone and ground property.
准确计算地下水的垂向入渗补给量是合理评价和利用地下水资源的基础。
Precise estimation of vertical groundwater recharge is important for reasonable estimation and utilization of groundwater resource.
针对地下水抽取引起的大面积地面沉降的问题，提出了一种计算方法。
An approach to calculate land subsidence due to withdrawal of groundwater is presented.
结果显示，该方法计算方便，结果合理，且预测精度较高，可为灌区地下水开采提供参考。
It is shown that this method renders convenient calculation, rational results, high prediction precision, and its outcome can provide reference for groundwater exploitation in irrigation area.
综合改进的遗传算法非常有效，在地下水渗流和水资源评价计算中有广阔的应用前景。
It is shown from calculation results that the presented algorithm is very effective, and is of vast application vista for groundwater seepage flow and groundwater resource evaluation.
最后，简要指出地下水资源计算中随机模型的应用特点和发展趋势。
Finally the paper briefly presents the features of the application of the random model in groundwater resources calculation and its development trend.
本文用实测资料统计计算分析了惠北试区降雨对浅层地下水资源的补给。
According to the statistics of actual survey data and calculation, the article analyzes the rainfall to feed shallow groundwater resources in Huibei test area.
应用有限差分方法，采用不规则多边形剖分，对昌马冲洪积扇区地下水资源数量的变化趋势进行了模拟计算。
The paper predicts the changing tendency of groundwater resource in Changma alluvial fan by numerical modeling, applying the method of finite difference and irregular polygon cells.
本文建立了水力压裂过程中变排量注入一种和顺序注入两种幕律液体情况下水平裂缝几何尺寸的数值计算方法。
A numerical solution method is suggested for the calculation of the geometry of horizontal fractures induced hydraulically by injecting, at variable rates, in sequence of power-law fracturing fluids.
水蚀风蚀交错区地下水资源计算与评价方法研究是一个薄弱环节。
The study on calculation and assessment of groundwater resources in water-wind erosion crisscross region has been the weak spot all along.
研究了地震荷载作用下水平向成层边坡稳定性分析的计算方法。
The computing method for the stability analysis of slopes composed of horizontal layers under seismic load is studied.
数值计算验算了降雨的方式，斜坡地层的形状以及坡度的变化对地下水位进展和衰退过程的影响。
In numerical calculations, the effects of rainfall pattern, shape of slope layer and changing slope to the development and decline of subsurface flow were examined.
数值计算验算了降雨的方式，斜坡地层的形状以及坡度的变化对地下水位进展和衰退过程的影响。
In numerical calculations, the effects of rainfall pattern, shape of slope layer and changing slope to the development and decline of subsurface flow were examined.
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