| 释义 |
M12 or M-12 or M.12 may refer to: - Aviation
- Beriev Be-12, Soviet Naval Designation M-12, a Soviet amphibious aircraft
- Grigorovich M-12, an improved version of the Grigorovich M-11, a Russian single-seat fighter flying boat designed by Dmitry Pavlovich Grigorovich
- Macchi M.12, a flying boat bomber produced in small numbers in Italy in 1918
- Miles M.12 Mohawk, a 1930s British two-seat, tandem cabin monoplane
- Automobiles
- BMW M12, a turbo 1500 cc 4-cylinder turbocharged Formula One engine of the 1980s
- McLaren M12, a racing car for the Can-Am series
- Noble M12, a British sports car
- Vector M12, an automobile made by Vector Supercars
- Military technology & weapons
- Beretta M12, a sub-machine gun by Italian designer Beretta
- Doppelpistole M.12, a double barrel submachine gun based on the Steyr M1912 semi-automatic pistol, developed by the Austrian firm Steyr Mannlicher
- Krupp 10.5 cm Haubitze M.12, a German howitzer used by Romania in World War I
- M12 Gun Motor Carriage, an American self-propelled artillery model
- Winchester Model 1912, a shotgun
- Zastava M12 Black Spear, a 12.7mm caliber anti-materiel rifle developed by Zastava Arms
- Roads
- M-12 (Michigan highway), a former designation for part of U.S. Route 2 in Michigan
- Highway M12 (Ukraine), a state international highway (M-highway) in Ukraine connecting Lviv Oblast to the Central Ukraine
- M12 motorway, a short motorway in County Armagh, Northern Ireland.
- M12 motorway (Great Britain), a proposed motorway in southern England, which was never built.
- Western Sydney Airport Motorway, a proposed motorway in western Sydney with the route number M12.
- Space
- Messier 12, a globular cluster in the constellation Ophiuchus
- Progress M-12, a Russian unmanned cargo spacecraft launched in 1992 to resupply the Mir space station
- Progress M-12M, an unmanned Progress spacecraft that was lost in a launch failure in August 2011
- Other
- M12 (artist collective), a Colorado-based artist collective that works in rural communities.
- M12 (New York City bus), a planned New York City Bus route in Manhattan
- M12 (venture capital), the former Microsoft Ventures venture capital subsidiary of Microsoft
- A line of 12-volt power tools manufactured by Milwaukee Electric Tool Corporation
- M12 connector specified in IEC 61076-2-101, electrical plug/receptacle pair with 12mm OD mating threads
- The Mathieu group M12 in the mathematical field of group theory
- M12 bolt, a metric screw thread with a 12mm outer diameter
- Majestic 12, a code name for an alleged committee involved in UFO investigations
- Magic 2012, the thirteenth core set in Magic: The Gathering
- S-mount (CCTV lens), a CCTV lens mount using a M12x0.5 thread
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