mode-discriminating interferometer
模-鉴别干涉仪

• rectifier lens
• rectifier photo-cell
• rectifying
• rectifying device
• rectilinear
• rectilinearity
• rectilinear lens
• rectilinear motion
• rectilinear propagation
• rectilinear scale
• rectilinear scanner
• rectoscope
• recurrence rate
• recurrent waveform
• recurring decimal
• recursion
• recycling
• recycling spectrometer
• recycling time
• red [colo[u]r]
• redder source
• red end
• red light
• red light laser
• red limit