| 释义 |
- Computers
- Vehicles and transportation
- Video games
- Film
- Other
- See also
{{selfref|For the Wikipedia X2 criterion for speedy deletion, see Criteria for speedy deletion#X2.}}X2 may refer to: {{tocright}}Computers- X2 (protocol), a pre-V.90 standard for 56k downstream modem communications
- Athlon 64 X2, the first dual-core desktop CPU manufactured by AMD
- A two-lane PCI Express, slot
- A type of 10 Gigabit Ethernet, optical transceiver
- X2, a transport interface used to connect enodeBs in a LTE/4G network
Vehicles and transportation- Bathyscaphe Trieste II, also known as X-2, the US Navy bathyscaphe based on the Trieste
- Bell X-2, an experimental supersonic aircraft
- BMW X2, a SUV vehicle produced by BMW
- HMS X2, a Royal Navy submarine
- Kawasaki X2, a personal water craft
- Mitsubishi X-2 Shinshin, a Japanese experimental stealth fighter (formerly known as ATD-X)
- North Wing Sport X2, an American ultralight trike design
- Sikorsky X2, a prototype, coaxial high-speed helicopter
- SJ X2, used for the X2000 train system in Sweden
- Skycycle X-2, a rocket used by Evel Knievel
- SpaceShipOne flight 17P, also known as X2, the second Ansari X Prize flight
- X-2 Dragonfly, the company designation of the Rotor-Craft XR-11 experimental helicopter of the late 1940s
- X2 (New York City bus)
- X2, a Metrobus route, in Washington, D.C.
- X-2 Rocket, the spacecraft used in Space in Epcot Center, Orlando, Florida
Video games- Dance Dance Revolution X2, a 2010 music video game for the PlayStation 2
- Final Fantasy X-2, a 2003 role-playing video game
- Mega Man X2, a 1994 platform game
- The Threat, a 2003 space simulation game
- X2 (video game), a 1997 video game
- X2, the main character in Elite Squadron
Film- X2 (film), a 2003 sequel to the 2000 film X-Men
- State of the Union, also known as X2 or XXX², a 2005 American film
Other- X2 (roller coaster), at Six Flags Magic Mountain
- Chi-squared distribution, a theoretical probability distribution in inferential statistics
- Square (algebra), also known as the algebraic square
- Nokia X2, feature phone/smartphone
- Sendo X2, a Series 60 mobile phone
- Sony Ericsson Xperia X2, smartphone
- Keyboard sold by Korg in the 1990s
- Counterintelligence branch of the Office of Strategic Services, an American agency during World War II
See also{{letter-Number Combination Disambiguation}} |