pseudo-inhomogeneous layer
伪非均匀层

• beam pencil
• beam positioners
• beam power tube
• beam ratio
• beam rider
• beam section of lens
• beam sharpening
• beamsplitter
• beam splitter
• beam-splitter prism
• Beamsplitters
• beamsplitting blocks
• beam splitting coating
• beam splitting dichroic mirror
• beam spot
• beam stacking
• beam-steered transducer
• beam steering
• beam tube
• beam waist
• beam waveguide
• beam width
• beamwidth
• bearer
• bearing