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Radar beacon (short: racon) is – according to article 1.103 of the International Telecommunication Union's (ITU) ITU Radio Regulations (RR) [1] – defined as "A transmitter-receiver associated with a fixed navigational mark which, when triggered by a radar, automatically returns a distinctive signal which can appear on the display of the ...
The Olympus OM System was further enlarged; its Zuiko lenses gained a reputation as being among the sharpest lenses in the world, and in the 1980s, Olympus added further improvements by replacing the OM-1 and OM-2 cameras with the OM-3, a mechanical manual SLR and the OM-4 automatic, both of which featured multi-spot metering capabilities.
RTX Corporation, formerly Raytheon Technologies Corporation, [3] [4] is an American multinational aerospace and defense conglomerate headquartered in Arlington, Virginia.It is one of the largest aerospace and defense manufacturers in the world by revenue and market capitalization, as well as one of the largest providers of intelligence services.
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Interchangeable parts. Ford would often use interchangeable parts between car models to save costs, but slowly decreased after it lost market share to Chevrolet. Interchangeable parts are parts (components) that are identical for practical purposes. They are made to specifications that ensure that they are so nearly identical that they will fit ...
A schematic, or schematic diagram, is a designed representation of the elements of a system using abstract, graphic symbols rather than realistic pictures. A schematic usually omits all details that are not relevant to the key information the schematic is intended to convey, and may include oversimplified elements in order to make this essential meaning easier to grasp, as well as additional ...
The World3 model is a system dynamics model for computer simulation of interactions between population, industrial growth, food production and limits in the ecosystems of the earth. It was originally produced and used by a Club of Rome study that produced the model and the book The Limits to Growth (1972). The creators of the model were Dennis ...
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