The water quality simulation of BOD_5 must adopt the BOD_5—DO coupling model.
使生化需氧量BOD_5的模拟所需采用的BOD_5—DO耦合模型的求解十分困难。
On this basis, an unascertained model of air quality simulation is established.
在此基础上，应建立未确知空气质量模拟模型。
On this basis, an unascertained model of water quality simulation is established.
在此基础上，建立未确知水质模拟模型。
On the basis of position information and TFT liquid crystal light valve, high quality simulation of star map is performed.
根据位置信息，采用TFT液晶光阀，以实现高质量的星图模拟；
Case study showed that the models provided here are quite suitable for river water quality simulation and risk assessment.
实例研究表明，所建模型对于河流水质模拟与风险评价具有很好的适用性。
An air quality simulation model-column model for describing photochemical smog pollution at Xigu district in Lanzhou has been developed.
以兰州西固地区为研究对象，建立了描述该地区光化学烟雾污染的大气质量模拟模式——柱子模式。
The software includes an electronic map interface, a water quality simulation module and a water environment capacity calculation module.
该软件系统包括电子地图平台、水质模拟模块和水环境容量计算模块。
Simulation permits you to try ideas in dynamic, synthetic environments while collecting stimulus response data to determine the quality of the control system.
仿真让我们可以在动态的合成环境中尝试一些做法，同时可以搜集这些响应数据，从而确定控制系统的品质。
To this end, special effects simulation tools, while physically based, must be able to be dynamically controlled in an intuitive manner in order to ensure believability and the quality of the effect.
由于基于实物的模拟，特效模拟工具必须是直观的、动态可控的，这样才能保证真实感和模拟效果的质量。
And the gravity is the quality of material produced, the resulting electrical signal through the simulation system, will be called the quality of items displayed.
而这个重力正是物质的质量所产生的，由此产生的电信号通过模拟系统后，将被称物品的质量显示出来。
By experimental simulation and test result of a certain radar recording meter, it shows that this algorithm has a higher compression rate and a better quality of signal recovery.
实验仿真和某型雷达记录仪测试结果表明，该算法具有较好的压缩比率及较高的信号恢复质量。
Computer simulation results show that high quality of reconstructed pictures can be obtained by the proposed coding scheme.
计算机模拟结果表明，本方案可以获得高质量的重建图像。
With the freshwater becoming less and less, how to make use of and to protect the groundwater is calling our attention, for which simulation of water fluid and water quality is essential.
随着淡水资源紧缺状况日益加重，合理利用和保护地下水资源逐渐得到社会的广泛关注，水质模拟与预测是评价和保护地下水工作中不可或缺的重要程序。
The design of the pantograph's active control system and the study of the simulation results reduce the fluctuation of the contact force theoretically and thus improve the current collecting quality.
通过受电弓主动控制系统的设计和对其的仿真研究，理论上降低了弓网系统接触压力的波动，从而改善了受流质量。
Only by computer simulation, can the request of high quality and high output for the polymer process be satisfied.
只有通过相关的计算机模拟，才能满足聚合物加工高质量和高产量的要求。
It clarifies simulation results and makes the simulation more observable. The conclusion shows that functional coverage combined code coverage provide an integrated quality verification gauge.
结果表明：功能覆盖率和代码覆盖率结合在一起为设计和验证提供了一个完整的质量验证标尺。
The quality of grid directly affects the precision of numerical simulation and the convergence of numerical compute, Furthermore, this effect is even crucial in many instances.
网格品质的好坏直接影响到数值模拟的精度和数值计算的收敛性，而且这种影响在许多情况下甚至是决定性的。
Simulation results show that the proposed method is secure for cover images with quality factor more than 35.
实验表明，当载体图像的质量因子大于35时，秘密信息的安全性可以得到有效保证。
Because of absence of regular observation on sea area, it is impossible to implement observation assimilation on sea part and it is certain that this will influence the simulation quality of sea part.
由于海面上缺少常规测站，因此无法实现海面部分的测站同化，而这必将影响到海面部分的模拟质量，而云迹风资料恰可以祢补这个不足。
The effectiveness of designed filters for compatible improvement of picture quality is verified by simulation experiment.
通过模拟实验，证明了所设计的滤波器对兼容改善图象质量的有效性。
Such simulation was relevant depending on the quality of the model.
这种模拟在相关程度上依靠模型的质量。
A case study of gas separation system is given to illustrate the effects of product quality, reflux ratio and tower pressure to total economic benefit through flow simulation.
本文以某气体分馏装置为例，通过严格的流程模拟，分析了产品质量、回流比和塔压等操作参数对总经济效益的影响。
The result proves that design methodology based on SI simulation can solve SI problems effectively, guarantee design quality and improve design efficiency.
实际系统设计证明，基于该流程的设计方法能够有效的解决系统的信号完整性问题，保证了设计质量，提高了设计效率。
In order to shorten the time, lessen the expense and improve the quality of training, a computer realtime simulation training system for drivers of door crane is planned to develop.
为了缩短培训时间、减低培训费用和提高教学质量，我们拟开发一个进行门式起重机司机培训的计算机实时仿真系统。
Further study on the comparison of the two algorithms on applicability, quality of the reconstruction image and reconstruction speed according computer simulation and experiment has been accomplished.
通过计算机仿真以及实验进一步对这两种重建算法的适用范围、重建质量以及重建速度等方面进行了对比研究。
The system can achieve the temperature parameters of the collection, storage, analysis and control functions, and pass the furnace temperature finite difference simulation product quality forecasts.
该系统可实现温度参数的采集、存储、分析与控制功能、并能通过炉内温度场的有限差分模拟进行产品质量预测。
Moreover, the influences of mesh number and mesh quality on the simulation accuracy are analyzed.
并对网格数量和网格品质度等对模拟计算精度的影响进行了分析。
Not only many high quality meshs are constructed but also those meshs are applied in actual numerical simulation and computation.
得到了多种类型的高质量的网格，并将它们应用于实际的数值模拟与计算中。
The current application situation of computer technology in ring-rolling has been introduced with computer simulation and optimization and quality monitoring etc.
介绍了计算机模拟与优化、轧制过程中计算机控制及轧件质量监控等技术在环件轧制中的应用现状。
The results of simulation indicate that the model-free controller has good controlling quality, nice track performance and structure adaptability. The system meets the designing requirements.
仿真结果表明：无模型控制器表现出优良的控制品质，跟踪性能良好，具有结构适应性，系统符合设计要求。
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