double-pass monochromator
双程单色器

• autodoping effect
• autodyne
• autodyne receiver
• autoequalization
• autoexcitation
• autofocus
• autofocus camera
• autofocus enlarger
• auto-focusing
• autofocus mechanism
• autofocus rectifier
• autofocus system
• autofocus (X-ray)tube
• autoformer
• autograph
• autogravure
• autoheterodyne
• autoionization
• autoionization spectrometer
• autoionized energy level
• autoionizing
• autoionizing-like resonance
• autokeyer
• Autoluminescence
• auto/manual flash selector