| 摘要 |
A rear-view mirror for vehicle is disclosed. The convex of the mirror i s composed of differential surfaces that are smoothly and joined with each oth er with continuously varying average curvature. The average curvature increase gradually along the longitudinal direction from top to bottom of the mirror and along the horizontal direction away from the body of the vehicle. Furthermore, the mirror in accordance with the present invention provides a wider viewing around both sides and in rear of the vehicle without blind spots and a clear image with little distortion that is visually acceptable to a driver.
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