this system is a recent introduction
41Audio system measurements — are made for several purposes. Designers take measurements so that they can specify the performance of a piece of equipment. Maintenance engineers make them to ensure equipment is still working to specification, or to ensure that the cumulative… …
42Writing system — Predominant scripts at the national level, with selected regional and minority scripts. Alphabet Latin Cyrillic Latin Greek …
43Denmark SEA system — The SEA process in Denmark was established as far back as 1993 by an administrative order of the Prime Minister’s Office (Dalal Clayton and Sadler, 2005). However, this requirement was not enshrined in law, but supported by a government circular… …
44control system — Means by which a set of variable quantities is held constant or caused to vary in a prescribed way. Control systems are intimately related to the concept of automation but have an ancient history. Roman engineers maintained water levels in… …
45Mutual Broadcasting System — Type Cooperative radio network (1934–52); corporate controlled radio network (1952–99) …
46Facial recognition system — A facial recognition system is a computer application for automatically identifying or verifying a person from a digital image or a video frame from a video source. One of the ways to do this is by comparing selected facial features from the… …
47price system — ▪ economics Introduction a means of organizing economic activity. It does this primarily by coordinating the decisions of consumers, producers, and owners of productive resources. Millions of economic agents who have no direct communication …
48Non-linear editing system — NLE redirects here. For the standardized test, see National Latin Examination. For non linear or non destructive editing of 2D images, see Non destructive editing. In video, a non linear editing system (NLE) is a video editing (NLVE) or audio… …
49Reusable launch system — A reusable launch system (or reusable launch vehicle, RLV) is a launch system which is capable of launching a launch vehicle into space more than once. This contrasts with expendable launch systems, where each launch vehicle is launched once and… …
50Traffic Collision Avoidance System — The Traffic alert and Collision Avoidance System (or TCAS) is an aircraft collision avoidance system designed to reduce the incidence of mid air collisions between aircraft. It monitors the airspace around an aircraft for other aircraft equipped… …
