Missing, incomplete or incorrect characters and logos, smeared, blurred, scratched, low contrast, angled, misaligned, reversed, doubled and additional marks.

• 缺少的,不完全的,或不正确的字符和标识,污点,模糊的,划痕,低对比,有倾斜度的,,未对准的,颠倒的,两倍的,额外的标志。