blue kinescope

例句：

1. 1.The blue kinescope was the centerpiece of the exhibition.
   蓝视镜是展览的焦点。
2. 2.The blue kinescope was used to project images onto a screen.
   蓝视镜被用来将图像投射到屏幕上。
3. 3.The blue kinescope was a revolutionary tool in the field of cinematography.
   蓝视镜是电影摄影领域的革命性工具。