superheterodyne spectrometer
超外差分光计

• crystal display
• crystal edge
• crystal field effects
• crystal field spectrum
• crystal filter
• crystal frequency control unit
• crystal grain
• crystal grating
• crystal growing equipment
• crystal laser
• crystal lattice
• crystallgraph
• crystalline
• crystalline axes
• crystalline axis
• crystalline grain
• crystalline humor
• crystalline lens
• crystalline quartz
• crystallinity
• crystallite
• crystallization
• crystallized glasses
• crystallogram
• crystallography