[countable, uncountable]a situation in which a particular set of conditions is created artificially in order to study or experience something that could exist in reality模拟；仿真
a computer simulation of how the planet functions行星活动方式的计算机模拟图像
a simulation model仿真模型
An important part of training is role-play and the simulation of court cases.训练的一个重要部分是角色扮演和对法庭案件的模拟。
Extra Examples
Simulation models are used to predict earthquake patterns.仿真模型被用于预测地震模式。
The pilot's skills are tested through simulation.飞行员的技术是通过模拟飞行来检测的。
To test the model under different conditions, it is necessary to run simulations on a computer.为了检验这个型号在不同条件下的性能，有必要在计算机上进行模拟。
a virtual reality simulation of a moon landing登月的虚拟现实模拟