rear projection screen

例句：

1. 1.The rear projection screen is a popular choice for classroom presentations.
   后投影屏幕是课堂演示的热门选择。
2. 2. The rear projection screen allows for easy viewing of the presentation from the back of the room.
   后投影屏幕使得从房间后面观看演示变得容易。
3. 3.The rear projection screen was designed to improve the visual experience for students in the classroom.
   后投影屏幕的设计目的是为了改善教室里学生视觉体验。