This paper deals with the multiple phase screen mathematical model and simulation of radio signal propagation in the atmosphere.

采用多相位屏的数学模型，数值模拟无线电信号在大气中的传播过程。

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An accurate virtual model and simulation would complement tissue-based in vitro studies by providing a consistent test bed with minimal variability and by reducing cost.

精确的虚拟模型和仿真将通过提供因个体差异最小而一致的测试平台和降低成本而弥补基于组织的体外试验的不足。

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Using system engineering theory and method, system model and simulation method, the paper analyses the conflict between supply and demand of water resources within the system.

文章用系统工程的理论和方法，用系统模型和模拟的方法，分析系统内水资源的供给与需求。

youdao

The Forecast Model builds upon the output of the Stock Valuation Model and combines this data with econometric and simulation techniques to output target prices for one, three, and six-month and one, two, and three-year time horizons.

FORBES: It's Time To Sell Strength To Risky Levels

Indeed, one principal purpose of the Bolshoi simulation is to compute and model the evolution of dark matter halos thereby rendering the invisible visible for astronomers to study, and to predict structures that astronomers could then seek to observe.

FORBES: Connect

The new computer simulation allows doctors and physicists to model the faulty heart beats (arrhythmias) that can cause cardiac arrest, and run episodes of arrhythmia time and again, looking for the best way of treating it.

BBC: Virtual heart