raster stereoscope

例句：

1. 1. The raster stereoscope was used to create a 3D effect in the movie.
   光栅立体镜被用来在电影中创造3D效果。
2. 2. The raster stereoscope is a device that projects images onto a screen.
   光栅立体镜是一种将图像投射到屏幕上的设备。
3. 3. The raster stereoscope has become increasingly popular in recent years.
   光栅立体镜近年来越来越受欢迎。