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On the base of theory studying, aim at power flow calculation, the paper firstly develops a component library of transmiting and transforming electricity and a component of power flow calculation using CORBA, designs a visual flow calculation simulation software which finish the mostly work of modeling and simulation by calling for encapsuled components.

在理论研究的基础上，针对电力系统中最基本的计算——潮流计算，本文首先利用CORBA技术开发了输变电系统构件库和潮流计算算法构件库，然后开发了一个可视化的潮流计算仿真软件。

The whole simulation system was considered as a federation and distributed into several federates to carry out distributed simulation.

该方法利用 HLA 的模块化建模的思想，将整个仿真系统的功能划分成若干个联邦成员，进行分布式系统仿真。

The key technology for reconstructing the simulation models based on Petri net into HLA federates is discussed in order to explore developing the environment of integrating the simulation models based on PetriNet into HLA federation.

探讨了Petri网仿真模型改造为HLA成员的关键技术，为后续开发HLA环境下的Petri网仿真模型集成环境进行了初步的探索工作。

Under the submarine synthetic display/control simulation system, the functional requirements of each federate and data exchange relationship between the federates are analyzed, Simulation Object Model is built up, and the corresponding object class and interaction class are given.

在潜艇综合显控台仿真训练系统的仿真框架下，分析了成员功能需求，对联邦成员间的数据交互关系进行了探讨，并建立了成员SOM，详细设计了相应的对象类和交互类。

Based on the introduction of HLA, in combination with the new characteristic of Air-Sea Combat, naval aviation distributed striking simulation system is designed, the correlative federates and AEW CGF is exploited, which is valuable to develop the distributed operation simulation system.

文中运用目前流行的分布式交互仿真思想，设计了分布式海军航空兵突击作战仿真系统，并对相关联邦成员以及预警机CGF进行了开发，对分布式作战系统的开发具有参考价值。

Matlab tool was selected and simulation based on fibers was used to get the 3D appearance of a yarn produced by different fiber length and fiber finesses. It is explored that a new simulation method for different material yarns.

选用Matlab模拟工具和纤维级模拟方法实现不同长度和细度纤维构成纱线的三维外观模拟，为不同材质三维纱线模拟探索一种方法。

The technology study impels the simulation development of the automobile air-conditioning environment simulation system, and this is very important to the project practice.

此项技术的研究可以推动我国汽车空调整车环境模拟系统仿真技术的发展，对于工程实际有很大的应用价值。

In this paper, the physical-chemical properties and the melting characteristics of bottom ash and fly ash from two MSW incinerating plants in east China were analyzed. The cold-state simulation and simplified hot-state simulation of the melting furnace we designed were performed by using the CFD software-FLUENT.

本文研究了华东地区两家垃圾焚烧厂的底灰和飞灰的基本特性和熔融特性，用FLUENT软件对设计的旋风熔融炉进行了冷态模拟和简化的热态模拟。

The results showed that entrainer reflux ratio: 1:5 of the top tower, the concentration of separated isopropanol is 99.5%; The maximum yield of isopropanol is 78%; simulation calculation result inosculates with the experimental result. The simulation calculation can reflect actual course.

结果表明，当共沸剂塔顶回流的回流比为1：5时，分离得到的异丙醇浓度可以达到99.5%；异丙醇的收率最高，最大收率可达78%；模拟计算结果与实验结果吻合得较好，模拟计算可以反映实际过程。

In the third part, the simulation research on asynchronous motor DTC system base on six voltage space vectors and twelve voltage space vectors are realized in MATLAB/Simulink. Through comparisons of the two simulation results, the method of minifying torque ripple is obtained.

第三部分，运用MATLAB/SIMULINK进行了基于六矢量和十二矢量的两种异步电动机直接转矩控制系统的仿真研究，搭建了系统的仿真模型，并对仿真结果进行了对比，得出减小直接转矩控制转矩脉动的方法。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。