19. A better resolution for the two headlights of a car in a picture can be achieved byreducing (A)
問題詳情
19. A better resolution for the two headlights of a car in a picture can be achieved byreducing (A) the separation of the headlights； (B) the wavelength of light； (C) theaperture diameter of the camera lens； (D) All； (E) None.