Not only do speakers around the theater provide surround sound effects, but speakers behindthescreen can pinpoint sounds into the visual world of the movie.
不仅环绕整个剧院的喇叭提供环绕声效，屏幕后面的喇叭同时也为电影中的虚拟世界添加了声音。
3
The first solar panel is placed behindthescreen; the second is placed beneath a touch keyboard.