(66)method is the use of a data processing system to represent selected behavioral(67)of a physical or abstract system. For exam

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问题 (66)method is the use of a data processing system to represent selected behavioral(67)of a physical or abstract system. For example, the representation of air streams around airfoils at various velocities, temperatures, and air pressures with such a system.Emulation method is slightly different, it uses a data processing system to imitate another data processing system, so that the imitating system accepts the same data, executes the same programs, and achieves the same(68) as the imitated system. Emulation is usually achieved(69) hardware or firmware. In a network, for example, microcomputers might emulate terminals(70) communicate with mainframe.

选项 A、in order to
B、for
C、therefore
D、to this end

答案A

解析 模拟方法是利用数据处理系统来表示某一物理系统或抽象系统中选定的行为特性的做法。例如,在各种不同的速度、温度和气压条件下,以这种系统对翼面周围的气流所做出的表示。仿真方法则略有不同,仿真是利用某一数据处理系统来模仿另一数据处理系统,其中模仿系统与被模仿系统接受相同的数据,执行相同的程序,并获得相同的结果。仿真通常借助硬件或固件来实现。例如在网络中,为了与大型主机通信,可由微型计算机来仿真终端。
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