simulation
/ˌsɪmjuˈleɪʃn; ˌsɪmjə`leʃən/ n
1 [U] action of simulating 假装; 伪装; 模拟; 模仿
the simulation of genuine concern 装出真正关心的样子
the simulation of flight conditions 飞行环境模拟.
2 [C] operation in which a real situation, etc is represented in another form 模拟操作
a computer simulation of the nuclear reaction 对核反应的计算机模拟.