GM - exclusive automatic locking rear differential that reacts in milliseconds in low - traction situations to improve safety and confidence on wet, snowy or muddy surfaces (gmauthority.com)
On a traditional exchange, we're measuring things in microseconds and a handful of milliseconds of latency on a matching engine is viewed as really unacceptable. (marketvoice.fia.org)
During the next, the valve is closed, but only for milliseconds at most (at idle, less at higher RPM). (mechanics.stackexchange.com)