double exposure device
两次曝光装置

• digital scan
• digital still camera
• digital still camera lenses
• digital television system
• digital-to-analog converter
• digital versatile disc
• digital versatile (or video) disc(DVD) player
• digital video disc
• digital video discs
• digital voltmeter
• digital wavefront measuring interferometer
• digitization
• digitizer
• digonal axis
• dihedral angle
• dihexagonal prism
• dilatability
• dilatation diffraction
• dilation
• dilator probe
• dil-interstitials
• dillatation wave
• diluent
• diluted colour
• diluted hydrofluoric acid