学生可以研究这些原子过程的计算机模拟。

Students can study a computer ___simulation of these atomic processes.

《文明》是有史以来最畅销的模拟游戏之一。

Civilisation is one of the best-selling ___simulation games of all time.

医学院使用虚拟现实模拟进行外科培训。

The medical school uses virtual reality ___simulations for surgical training.