ultraviolet spectrograph
紫外摄谱仪

• variable wave-length phase microscope
• variance
• variation
• variational principle
• variation of cavity length
• variation of tolerance
• variator
• varichrome film
• varicolo[u]red
• variety
• vari-focal lens
• varifocal lens binocular
• varifocal Moire zone plate
• varifocal objective
• varifocal optical system
• varifocal scanning system
• varifocus lens
• vari-Glaukar lens
• variocoupler
• variode
• variodenser
• variofocus
• Variogon lens
• variometer
• varistor