Abstract: The present invention discloses a stereo garage that comprises: a main body provided with a lifting shaft, wherein the lifting shaft is provided with an opening; a lifting platform located in the lifting shaft, wherein the lifting platform can ascend or descend in the lifting shaft along a height direction of the main body, such that the lifting platform can switch between an initial position and an end position, wherein the lifting platform can close the opening when the lifting platform is located in the initial position; an anti-falling device connected to the main body, wherein the anti-falling device comprises a blocking rod which can be switched between a locking position and an unlocking position; wherein, the blocking rod can block a movement of a vehicle when the blocking rod is located in the locking position, and the lifting platform can cause the blocking rod to be switched from the locking position to the unlocking position when the lifting platform comes into the initial position.

Abstract: A random access method, a device, and a system are provided, relate to the field of communications technologies.

Abstract: The invention provides a simulated laser shooting system that includes a laser gun, HD monitor, video camera, collection card, master computer and sound apparatus. The system's features are in that it has reality scene, is both dynamic and static, and is rich and colorful. Players can fight an on-line battle by the system.