模拟计算机

The numerical modeling process for SVE remediation is achieved after a steady alternant direction implicit finite difference format is developed. In this paper, as an example, the 60 days remediation under 4 different conditions is simulated, which proves that the clear-up result is mainly governed by soil permeability.

再采用一个稳定的交替方向有限差分解出传质微分方程，从而实现多维情况下竖井SVE修复的完整模拟过程。4组不同条件下为期60d的SVE修复过程的计算机模拟显示，土壤通透系数是决定修复效果的关键因素。

In this dissertation, EISCAT radar observations and computer numerical simulation methods are involved to study the climatologic characteristics of polar ionosphere and their mechanisms, as well as the polar ionospheric responses to magnetospheric particle precipitation and convection electric field. Then, with the help of the numerical computation, the EISCAT data are employed to invert the energy spectra of auroral precipitating particles and their responses to magnetic storms and substorms.

本文联合利用EISCAT雷达数据和计算机数值模拟手段，以雷达探测数据为基础，数据分析和数值模拟、理论研究相结合，研究了极区电离层气候学特征与机制，磁层粒子沉降和对流电场对极区电离层的影响，并利用雷达数据反演极光沉降粒子能谱特征及其对磁暴和亚暴的响应。

Any computer game designed to mimic the style of a coin-operated arcade game, such as games marketed for the home computer.

2，模拟投币式 arcade 游戏风格的计算机游戏，例如销售对象为家用计算机用户的游戏。

Computer simulation of the natural scenery is an important topic in the computer graphics .

自然景物的计算机模拟是计算机图形学中研究的一个重要课题。

By using FDS software, the critical ventilation speed from platform to concourse was studied in the different conditions.

利用FDS场模拟软件，对不同条件下站台与站厅间所必需的临界通风速度进行了计算机模拟研究。

In this paper, the fractal theory in computer graphics applications, Fractal - based simulation of natural phenomena technical studies on coniferous tree leaves generation simulation technology.

本文研究了分形理论在计算机图形学中的应用，基于分形的自然景物模拟技术研究中关于松柏科树叶模拟生成技术。

Because of the problem of convergence, the key techniques to complete the one step simulation were explored thoroughly. The geometry mapping method based on finite element model and inverse deformation was developed to get the approximate initial blank for one step simulation. The effective selection of convergence factor in Newton-Raphson method was studied. The divergence criterion in iterative process for one step simulation was put forward. Also the countermeasure to ill equations coefficient matrix was studied.

由于存在收敛性的问题，本文重点研究了一步模拟方法计算机实现的关键技术：提出了基于有限元模型的几何映射方法和反向变形方法来确定初始毛坯的近似解，研究了带收敛因子的Newton-Raphson方法中如何高效地选取收敛因子，提出了一步模拟迭代求解过程中的发散准则，并研究了病态方程组系数矩阵的修正方法。

In the end of the paper, simulating the different energy gamma photons response through the nude NaI crystal detector and getting the response in 137Cs window from the different kinds of radionuclide, such as the response of 238U、 232Th、 40K and 137Cs itself in 137Cs window, getting the response in NaI multi-channel gamma spectrum from different nuclides.

本论文是利用蒙特卡罗方法模拟伽玛光子在NaI多道伽玛能谱响应，本论文介绍了蒙特卡罗方法以及该方法在核物理的应用，介绍了蒙特卡罗方法在计算机中的实现以及一种应用软件—MCNP—4B，最后具体模拟不同能量的伽玛光子在裸晶体NaI中的响应，得到NaI多道伽玛能数据中~(137)Cs窗中天然放射性核素，如~(238)U、~(232)Th、~(40)K，以及~(137)Cs本身在~(137)Cs窗中的响应，得出~(238)U、~(232)Th、~(40)K、~(137)Cs的响应函数。

With the development of computer technology, engineers begin to usecomputer simulation technology to aid the tools design.

随着计算机技术的迅速发展，设计师开始采用计算机模拟技术来指导模具的设计。

With the computer's development and popularization, digitizer is replacing simulation device gradually. The computer measure and control technology plays a more and more important role in the process of production and scientific research.

随着计算机技术的发展与普及，数字设备正越来越多地取代模拟设备，在生产过程控制和科学研究等广泛的领域中，计算机测控技术正发挥着越来越重要的作用。

If you are unfortunate enough to the lovelorn, please tell me, I will help you out, really, please contact me!

如果你不幸失恋了，请告诉我，我会帮助你摆脱困境，真的，请联系我啦！

China's plan to cut energy intensity by 20 percent and pollutant discharges by 10 percent between 2006 and 2010 is a case in point.

中国计划在2006年到2010间降低20%的能源强度和减少10%的主要污染物排放，就是一个这样的例子。