retardation plates
(phase plates)相位延迟板

• slide plate
• slide projector
• slider
• slide rail
• slide rule
• slide viewer
• slideway
• sliding bearing
• sliding block
• sliding calipers
• sliding guide
• laser frequency doubling
• Laser frequency measurement
• laser frequency stability
• Laser frequency switch
• laser fusion
• laser gain switching
• laser-gated
• laser-gated ringt vision sight
• laser gear
• laser generated secod harmonic wave
• laser generation
• laser generator
• laser geodynamic satellite
• laser glass