| Subject | English | Portuguese |
| life.sc., tech. | autonomous in-situ monitoring system | sistema autónomo de monitorização in situ |
| commun., IT | autonomous navigation system | sistema de navegação autónoma |
| market. | autonomous quota system | sistema de contingente autónomo |
| commun. | autonomous system | sistema autónomo |
| comp., MS, Braz. | autonomous system | sistema autônomo (A group of routers or networks controlled by a single administrative authority using a common Interior Gateway Protocol (IGP) for routing packets. Each autonomous system is assigned a globally unique number called an autonomous-system number (ASN)) |
| comp., MS | autonomous system | sistema autónomo (A group of routers or networks controlled by a single administrative authority using a common Interior Gateway Protocol (IGP) for routing packets. Each autonomous system is assigned a globally unique number called an autonomous-system number (ASN)) |
| comp., MS, Braz. | autonomous system boundary router | roteador de limite de sistema autônomo (A router that exchanges routing information with routers that belong to other autonomous systems. The ASBR then advertises external routes throughout the autonomous system. ASBRs can be internal or area border routers, and they might or might not be connected to the backbone) |