composition
(1)成合
(2)合成，复合
(3)构图

• plastic optical fiber
• plastic optics
• plastic polishing
• 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