| 摘要 |
A vehicle for transporting a person has a chassis (103) and four wheels (105a, 105b, 150c, 105d) supporting the chassis above a ground surface. The wheels enable the vehicle to move along the ground surface. Each of the four wheels is adjustable in position to enable the wheelbase length and track width of the vehicle to be changed. Each of the wheels is steerable to enable the changes in the wheelbase length and the track width to be effected whether the vehicle is substantially stationary or in motion.
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