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The diffraction phenomenon of grating is simulated by use of the MATLAB software, and the curves of its frequency response characteristic are plotted.

运用MATLAB软件对该光栅的衍射现象进行了仿真，并绘制出其幅频特性曲线。

In this paper, a new approach, which is based on simulated annealing algorithm for solving a class of diffusion equation of parameter operator identification of inverse problem, is presented.

文章给出了利用模拟退火算法求解一类扩散方程的参数算子识别反问题的一种新方法。

Through solving the Navier-Stokes equation, three dimensional transonic unsteady flow in isolated rotor blade was simulated.

本文通过数值求解Navier-Stokes方程，计算了跨音速压气机转子叶排内三维非定常粘性流动。

The processes of thermal dimerization reaction and reactive distillation were simulated with Aspen Plus respectively.

本文研究了采用反应精馏的一段萃取工艺，确定了二聚过程中的主要反应及其Arrhenius方程。

The CLM approach provides an accurate, repeatable, objective, and fast method for IOL dioptric power measurement over the range from 0 D to greater than +-30 D under both dry and in-situ simulated conditions.

该方法为人工晶状体屈光度测量提供了一种精确、可重复、快速的客观途径，测量范围可达到0D到±30D，并且适用于干燥条件和模拟在体条件的测量。标签共焦显微医用光学仪器眼科人工晶状体单模光纤

When solving the TNA problem based on fleet balance application, a flight pairing network model is build, by which the primary problem transferred to a directed path decomposition problem to minimize target function, and a simulated annealing algorithm is constructed.

在解决使飞机均衡使用的飞机排班问题时，本文利用航班节的网络模型将原问题转化为一个使目标函数最小的航班节编组问题，在此基础上构造了一个模拟退火算法。

Based on the simulated data produced by PROSAIL model and field test data, the authors respectively analyzed many kinds of factors which affect some representative inversion method s, such as VI, second derivative, model inversion and the directional second derivative.

以PROSAIL模型模拟数据和地面实测数据为基础，分别分析了土壤背景、冠层反射率非各向同性以及随机噪声等因素对几类代表性反演方法的影响(植被指数法、二阶微分法、模型反演法以及方向性二阶微分法)。

Simulated results show that the directivity and the gain of the array are improved.

模拟结果表明，天线阵的方向性以及增益都得到了加强。

The directivity of emitter by changing the number and relative location of ultrasonic transducers are simulated.

通过改变换能器数目及之间的相对距离，模拟了超声发射阵的空间指向性。

Both the Dirichlet and the periodic boundary conditions are considered for solving the local microscopic model when the water flow in heterogeneous unsaturated soils is simulated by FDHMM.

在应用FDHMM模拟非均质非饱和土壤中的水流问题时，对于局部微观模型的求解，我们既考虑Dirichlet 边界也考虑周期边界。

Chimborazo and Cotopaxi, took me by the hand.

越过琴博腊索山和科托帕克西山。

This car is in a good condition.

这辆车的状况很好。