将动态图像投影到墙上的效果令人印象深刻。

The ___projection of moving images onto the wall was impressive.

讲座期间，演讲者使用幻灯片投影来阐明他的观点。

During the lecture, the speaker used slide ___projection to illustrate his points.

现代电影院依靠高质量的数字投影来获得更好的观影体验。

Modern cinemas rely on high-quality digital ___projection for a better viewing experience.