| 摘要 |
The invention relates to a reflective surface substantially perpendicular to a vector field described by the equation: and a computer program for for ming the reflective surface. The reflective surface is capable of providing a substantially undistorted wide-angle field of view. It is particularly use ful as a diver's side mirror of a vehicle to provide an enlarged, substantia lly undistorted field of view which may be used to reduce or eliminate blind spots.
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