simulation of cognitive processes

例句：

1. 1. The computer simulationof the space mission was a great success.
   太空任务的计算机模拟非常成功。
2. 2. Thescientist used a simulation to study the behaviorof the planet's atmosphere.
   科学家使用模拟来研究行星大气的行为。
3. 3. The engineersimulated the process of the machine before buildingit.
   工程师在建造机器之前模拟了这个过程。