composition
(1)成合
(2)合成，复合
(3)构图

• metal delay lens
• metal-dielectric interferometry
• metal electrode
• metal ferrules
• metal film
• metal film filter
• metal film resister
• metal foil heater
• metal-halide arc
• metal halide lamp
• metal-insulator-semiconductor laser
• metal lens
• metallic absorption
• metallic bond
• metallic coating
• metallic deposition
• metallic filament lamp
• metallic film
• metallic layer
• metallic lustre
• metallic reflection
• metallic tape
• metallic vapor laser
• metallized glass
• metallograph