Subtitles labeled specifically for a release are "synchronized" to that specific version. Using subtitles meant for a DVD or a TV broadcast version with this file may result in the text being out of sync (appearing too early or too late) because different versions of the film often have different frame rates or introductory studio logos. Common File Formats
The source of the video is a high-quality Blu-ray Disc.
If you are looking for this specific file, it will likely be in one of the following formats: The most common text-based subtitle format.
Kyle MacLachlan, Danielle Calvert, Gabrielle Anwar, and Patrick Stewart (as Captain Nemo)
The specific naming convention in your query provides several technical details about the video file these subtitles are timed for: High-definition resolution (1280x720 pixels).