plural of sympathetic nervous system

(transport) advanced applications that aim to provide innovative services relating to different modes of transport and traffic management without embodying intelligence as such.

plural of intelligent transportation system

plural of management system

(management) A computer software system for organizing and facilitating collaborative creation of documents and other content, especially for loading to a website

An air conditioner where the inside-environment (evaporative) heat exchanger is separated by some distance from the outside-environment (condensing unit) heat exchanger.

plural of adversarial system

(physiology) The circulatory system.

A voting system.

plural of electoral system