simulation laboratory

例句：

1. 1. The scientist conducted asimulation of the experiment to test its effectiveness.
   科学家进行了实验的模拟，以测试其有效性。
2. 2. The teacherused a simulation to explain theconcept of gravity to the students.
   老师使用模拟来解释重力的概念给学生。
3. 3. The engineer designeda simulation model to predict the performance ofthe new machine.
   工程师设计了一个模拟模型来预测新机器的性能。