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1. Oxford Dictionary

   pan and scan

   • ph.
     a technique for narrowing the aspect ratio of a widescreen film to fit the squarer shape of a television screen by continuously selecting the most significant portion of the original picture, rather than just the middle portion
2. • 更多解釋

   pan and scan

   • ph.
     a technique for narrowing the aspect ratio of a widescreen movie to fit the squarer shape of a ...

   Oxford American Dictionary