If the video shows simulation outputs, the "xo" could refer to a specific crossover protocol or experiment iteration. 3. Engineering or Materials Science
In technical contexts, often stands for Network Simulator (like NS-2 or NS-3). nsxo_27_45min.mp4
If this is a recording of an experiment (like a stress test or fluid dynamics), might be a shorthand for a material or chemical compound (e.g., N ano- S tructured X - O xide). How to identify the correct paper: To find the exact paper, please check the following: If the video shows simulation outputs, the "xo"