Simulation of natural phenomena has always been one of the most difficult tasks in computer graphics.
对自然景物的模拟一直是计算机图形学中最难以解决的问题之一。
Simulation results show that the natural gradient approach has faster convergence speed and better separation performance than the conventional gradient based algorithm.
仿真结果显示，自然梯度算法比传统梯度算法收敛速度更快，分离效果更好。
Using GRC build rockery, construction technology is relatively simple, modelling is rich variety, in natural colour and lustre, simple sense and stereo feeling can achieve higher simulation results.
用GRC塑造假山，施工工艺较简单，造型也丰富多样，在自然色泽、质感及立体感上都能达到较高的仿真效果。
Based on numeral simulation result of combination flooding composing, oil displacement experiments are carried out in different penetration ratio natural core and artificial core.
并在数模优化组合驱段塞构成的基础上，对不同渗透率的天然岩心与人造岩心进行了驱油实验。
Simulation results of the method can also be applied for natural resources management in a basin.
此方法的模拟结果也可应用于流域自然资源管理。
Many reports have been made about the applications of fractal theory in the fields of natural image simulation, image texture analysis, pattern recognition etc.
自然图像的模拟，图像纹理分析，模式识别等方面都可见大量的用分形理论来分析和研究的报道。
We studied the natural convection in narrow double-side heating arc by mock-up tests and numerical simulation in this thesis.
本文对双面加热的圆弧形窄缝通道内重水的自然对流进行了模化试验和数值模拟。
This paper studies the influence of cross wind on the performance of natural draft dry - cooling tower by means of model experiment and numerical simulation.
本文结合模型实验与数值模拟两种手段，综合研究了横向风对自然通风干式冷却塔运行性能的影响。
The simulation of natural phenomena is an important research field in computer graphics and virtual reality.
自然景物的模拟是计算机图形学领域和虚拟现实领域的研究热点和难点。
The recharge simulation method of intercepting certain boundary flow under higher natural water table is studied and presented.
研究并提出了较高天然地下水位条件下截取边界定流量补给模拟方法。
Obvious overpressure constraint of deep source rock evolution was found through high temperature and pressure simulation experiment, natural thermal evolution and geological case studies.
热压模拟实验、烃源岩自然演化和勘探实例研究表明，深层烃源岩演化明显受到超压的抑制。
Through studying simulation of natural phenomena, the basic methodology implemented in the computer simulation of coniferous leaves generation.
通过学习自然景物模拟的基本方法，在计算机上实现松柏科树叶的模拟生成。
This paper presents a computer simulation to investigate the speciation of aluminum in acidic natural waters equilibria with mineral kaolinite based on the chemical equilibrium calculation.
基于热力学平衡计算，用计算机模拟研究了与高岭石固相平衡的酸性天然地表水中铝的形态分布，讨论了影响铝形态分布的各种因素。
To simulate the natural tidal waves, a tide simulation system based on two-way water pump technique was (designed) and developed.
为在实验室内模拟天然潮汐波，设计研制一种基于双向泵流量控制技术的潮汐模拟及其自动测控系统。
Fractal is widely used in many fields such as the image data compression, simulation of natural scenery, the growing of fractal geometry and the research of chaos motility system.
分形几何学在图像数据压缩、模拟自然景物，艺术图案设计、分形生长及混沌动力系统的研究等方面有着广泛的应用。
Then by taking the simulation results as the natural wind in the bridge address, the buffeting analysis in time domain is carried out for an arch bridge of linking pole.
探讨了利用非平稳随机过程理论和少量的实际风速记录模拟自然风，并以此作为桥址处的自然风用时域抖振分析方法对某系杆拱桥进行抖振时域分析。
To overcome this problem, we propose a new SPOT natural-color simulation method based on spectrum analysis.
针对这个问题，提出了利用波谱分析的SPOT自然色模拟方法。
Based on historical data of Shaanxi natural gas network system, static and dynamic simulation and load forecasting of natural gas system has been researched in this thesis.
本文依据陕西省天然气管网系统的历史数据，对天然气管网系统稳动态仿真和天然气短期负荷预测进行了研究。
The gas-products of Olympic kindling spark were studied in simulation test module, with strong wind and low pressure which like natural environment of Jolmo Lungma.
通过低压强风试验舱模拟珠峰环境，对火种灯炭柱的燃烧气体产物进行了测定。
The consciousness of simple beauty of nature makes Chinese people pursue natural morphological beauty, which leads to nature simulation and creation in building gardens.
对自然朴素美的意识，导致中国园林把对追求山林原野自然形态的“真趣”“野趣”作为最高的审美境界；
Recently, simulation of natural phenomena has been applied in many fields. Clouds play an important role when generating images of scenes, so the simulation of clouds is very important.
自然景观的模拟在许多方面得到了应用，云是自然界中的一项重要景观，对云进行模型设计显得十分重要。
The natural gas combustion and utilization process is evaluated based on the optimized simulation.
在优化模拟的基础上对天然气燃烧利用过程进行了评估。
The numerical simulation of the velocity field and temperature field of the natural convection in porous medium with a trapezoid space was conducted.
本文对填充有多孔介质的梯形空间内的自然对流的流场和温度场作了数值计算。
The utility model discloses a under-mine natural disaster simulation device.
本实用新型公开了一种矿井下自然灾害模拟装置。
There are three main research methods in natural ventilation: simple theory analyse method, experimental method and numerical simulation method.
目前自然通风主要有三种研究方法：简单的理论分析法、实验法和数值模拟法。
Considering the effect of the vehicle natural vibration frequency and velocity, the simulation and analysis are done on a, E-the two grades of road using this method.
在考虑了汽车固有振动频率及行驶速度后，利用该方法对A、E两个等级的公路路面进行数值仿真。
In this paper, theoretical analysis and numerical simulation of natural ventilation enhanced by solar energy has been carried out.
本文以太阳能烟囱为例对太阳能强化自然通风的原理进行了理论分析与模拟计算。
The wind speed model is proved to be correcet by comparison of the natural wind speed simulation and the actual wind speed curve.
并将自然风模拟风速曲线与实际风速曲线比较，证明该风速模型的合理性。
The wind speed model is proved to be correcet by comparison of the natural wind speed simulation and the actual wind speed curve.
并将自然风模拟风速曲线与实际风速曲线比较，证明该风速模型的合理性。
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