奥迪汽车的商标“四环”源自创立早期的四家公司（在中国大陆，奥迪汽车也因此被戏称为“四环素”），即1932年德國四大車廠Audi、DKW、Horch及Wanderer合併為汽车联盟（Auto Union AG, Chemnitz），並聘請斐迪南·保時捷設計Auto Union V16賽車（又稱銀箭Silver Arrow），与梅赛德斯-奔驰抗衡。
1965年併入大众汽车成為獨立子公司。1969年合併以轉子引擎著名的NSU車廠，但並沒在廠徽新加一環，而称为Audi NSU Auto Union AG。1985年Audi NSU Auto Union AG随集团统一更名為Audi AG。
今日Audi推出Nuvolari概念車，乃為紀念斐迪南·保時捷設計Auto Union V16為概念。
特色
奥迪汽车的特色在于其注重穩定紮實的操控感，這和奧迪特殊的造車理念相關。在併入福斯集團後，奧迪便放棄了其兩個主要競爭對手梅賽德斯-奔驰和BMW偏好的後輪驅動傳動方式，而以四輪驅動和一般駕駛人較易上手的前輪驅動為其產品的主要傳動方式。其特有的quattro四轮驱动系統，可使汽车在雨天路滑與下雪的路面也不容易打滑，並在當年的世界拉力錦標賽中創下佳績並引領了四輪驅動賽車的風潮。奧迪同時也研發製造難度高的輕量化全鋁合金車身，採用液體將鋁合金鈑件壓在模具上方成形的獨特方法，為此欧洲专利局（European Patent Office）2008年將歐洲年度發明獎（European Inventor of the Year）頒給了德國奧迪汽車公司。
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拉力車：Quattro A1 & A2 · Sport Quattro · Sport Quattro S1 · LMP road race cars: R8R · R8C · R8 · R10 TDI · R15 TDI · LMS/GT road race cars: R8 LMS (R16) ·Formula cars (engine suppliers): FPA · F2 · Sport ABT (Formula E)
概念车
A3 TDI clubsport quattro · Avantissimo · Avus quattro · Le Mans quattro · Nuvolari quattro · Pikes Peak quattro · Roadjet · Rosemeyer · RSQ · Shooting Brake · Steppenwolf · Sportback concept · Elaine · Aicon · PB18 e-tron
創始人：奥古斯特·霍希 · Audi corporate website ·A marque of the Volkswagen Group · Vorsprung durch Technik · Audi Channel · Audi Driving Experience
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This is an entry in the Fortnightly Topic Challenge #41: Short and Sweet. 1 letter only could be mean anything . With an additional letter in front , could be used as medicine component and something you definitely learn or at least heard once. Add another letter in front , you would possibly hear that many times . Add an additional letter in front , you would found an independent country . With an additional letter, in the end , you would found something related to apple . Add another letter in the end , you would found something bad . Hint: Each letter is unique .
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I am trying to run a scheduled task with User Group (not a single user). This is working fine when I in the field "when running a task, use the following user account:" insert BUILTIN User Group (for example: Administrators or Users). But when I try it with the created Local User Group (example: TestGroup) it is not working. The Users in the TestGroup are the same as in the Administrators group. What could be the problem? Are there some restrictions to the Created User Group compared to BUILTINUsers?
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德國巴伐利亞州因戈尔施塔特
