spatial frequency multiplexing
空间频率倍增

• plastic Q switch
• plastic recoding medium
• plastics
• plastic shim material
• plastic spectacle lens
• plastic spheric lenes
• plasto-elasticity
• plastyle lens
• plate
• plateau
• plate camera
• plate glass
• plate holder
• platelet
• plate let laser
• plate level
• plate level vial
• plate library
• plate object
• plate potential
• plate theory
• platform
• plating
• plating bath
• platinotron