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・ Tracks Inc
・ Tracks of Glory
・ Tracks of Life
・ Tracks of My Years
・ Tracks on Wax 4
・ Tracks per inch
・ Tracks to Telluride
・ Tracks to Terezín
・ Trackshittaz
・ TrackSlayerz
・ Trackslistan
・ Trackson (automobile)
・ Track gauge in Spain
・ Track gauge in Switzerland
・ Track gauge in the United States
Track geometry
・ Track geometry car
・ Track II
・ Track II diplomacy
・ Track Imaging Cherenkov Experiment
・ Track International
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・ Track lighting
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・ Track of the Cat
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Track geometry : ウィキペディア英語版
Track geometry

Track geometry is three-dimensional geometry of track layouts and associated measurements used in design, construction and maintenance of railroad tracks. The subject is used in the context of standards, speed limits and other regulations in the areas of track gauge, alignment, elevation, curvature and track surface.〔(【引用サイトリンク】url=http://www.fra.dot.gov/downloads/PubAffairs/Track_Standards_fact_sheet_FINAL.pdf )〕 Although, the geometry of the tracks is three-dimensional by nature, the standards are usually expressed in two separate layouts for horizontal and vertical.
==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「Track geometry」の詳細全文を読む



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