triangulation distance meters
三角测量法距离感测器

• bifocal
• bifocal lens
• bifocal spectacle
• bifocus
• bifurcation
• bifurcation point
• bifurcator
• big close-up
• bi-harmonic
• bilateral
• bilaterally adjustable
• bilateral scanning
• bilateral switching
• bilateral transducer
• bilinear
• bilinearity
• bilinear transformation anslysis
• Billet split lens
• billet split lens
• billi
• twilight efficiency
• twilight polarization measurement
• twin
• twin-carbon arc lamp
• twin crystals