Group 1 - The core viewpoint of the article highlights the significance and variety of giant screen theaters in China, which exceed 20 meters in width and number over 1,000 nationwide [1] - The article outlines the advanced film projection technologies represented by giant screen theaters, including ultra-large visual displays, high frame rates, high resolution, high dynamic range (HDR), and immersive sound [1] - Major giant screen systems in China include China Giant Screen, China Film CINITY, digital cinema LED giant screen systems, IMAX, and Dolby Cinema, each offering unique viewing experiences [1][2] Group 2 - For audiences seeking the latest projection technologies, digital cinema LED giant screen systems are ideal due to their high brightness, contrast, and image restoration capabilities [1] - For those prioritizing large screen size and brightness, China Film CINITY and IMAX theaters are recommended, with CINITY known for high frame rates and dynamic range, while IMAX is recognized for its large screens and dual projection technology [1] - Dolby Cinema is highlighted as a suitable choice for films that emphasize sound experience, utilizing Dolby Atmos sound system to create an immersive viewing environment [2][3]