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Cos, COS, CoS, "coS" or Cos. may refer to: ==Mathematics, science and technology== * Cosine, a trigonometric function * COS cells, a cell line used by biologists * Carbonyl sulfide, (COS) a chemical compound * Cobalt sulfide, (CoS) a chemical compound * Class of service (CoS), a 3 bit field within a layer two Ethernet frame header defined by IEEE 802.1p * Class of service (COS), a configuration parameter in legacy telephone systems * Cray Operating System, a proprietary operating system Cray supercomputers * Crypto Operating System, the development name of a Mac-compatible operating system * CatOS, an obsolete operating system for Cisco Catalyst devices * China Operating System, a Linux-based mobile operating system under development in China * Cosmic Origins Spectrograph, an ultraviolet instrument installed on the Hubble Space Telescope * Central office switching, a system or unit that connects telephone calls * Caché ObjectScript, a programming language, part of the InterSystems Caché database 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「cos」の詳細全文を読む スポンサード リンク
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