What do the 3D, 4D, 5D, 6D, 7D and 9D in the movie mean?
3D 3D refers to three-dimensional space. Internationally, three-dimensional movies are represented by 3D movies. 4D 4D film (or four-dimensional film) is a new type of film and television product composed of 3D stereoscopic film and the simulation of the surrounding environment with special effects, but it is not a four-dimensional space in the geometric sense.…
