simulated launch

例句：

1. 1.The team simulated a launch to test the new rocket engine.
   团队模拟发射以测试新的火箭发动机。
2. 2.The space agency conducted a simulated launch to demonstrate its capabilities.
   航天机构进行了一次模拟发射，以展示其能力。
3. 3. During the simulation, the astronauts performed a simulated launch to prepare for real space missions.
   在模拟过程中，宇航员们进行了一次模拟发射，为真正的太空任务做准备。