complex-exponential component
复介电常数

• 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
• twin diode
• twin images
• twin image seperation