the systematic use of spies to get military or political secrets
a circuit formed by two equal series circuits with a shunt between them
an interconnected system of things or people
(broadcasting) a communication system consisting of a group of broadcasting stations that all transmit the same programs
an open fabric of string or rope or wire woven together at regular intervals
(electronics) a system of interconnected electronic components or circuits
communicate with and within a group
a system of intersecting lines or channels
