In that the subjects and scenes don't reflect a fully realistic or exact model of real life.

在印象主义中，主题和场景不能充分反映出现实生活的真实或确切的模型。

Astronauts are also given access to a realistic spacecraft model so they can learn how its different components function.

宇航员还会接触到一个逼真的航天器模型，以便了解航天器不同部件是如何运行的。