A file labeled with both usually means it is a "multi-standard" build that can detect and output the correct signal for your TV setup.
While there isn't a formal academic "solid paper" on this specific file string, the title you've shared describes a version of FIFA 19 compatible with both PAL and NTSC display standards, typically distributed as a disc image ( ISO ) . Technical Specifications FIFA 19 [RegiГЈo Livre][PAL][NTSC][ISO]
is the analog television standard used in Europe, Australia, and parts of South America (like Brazil). NTSC is the standard used in North America and Japan. A file labeled with both usually means it