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Overlay may refer to: *Overlay architecture, "event architecture" relating to the temporary elements that supplement existing buildings and infrastructure to enable the operation of major sporting events or festivals *Overlay Control in semiconductor manufacturing, for monitoring layer-to-layer alignment on multi-layer device structures *Video overlay, techniques to display video on computer display *Historic overlay district, a zoning district that applies special rules to a portion of other districts, usually for historic or conservation reasons *Overlay plan, a method of introducing new area codes in telephony *In gambling, an overlay is where the bettor thinks the odds given are too generous ==In computer tech== *Overlay network, a computer network which is built on top of another network *Hardware overlay, one type of video overlay that uses memory dedicated to the application *Overlay (operating system), replacing one process by another *Overlay (programming), a technique to reduce the amount of memory used by a program *Overlay keyboard, a specialized keyboard with no pre-set keys *Keyboard overlay, a sheet of printed text sitting between the keys, depicting an alternate keyboard layout 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「Overlay」の詳細全文を読む スポンサード リンク
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