threshold population inversion
阈值粒子数反转

• resonance curve
• resonance detector
• resonance effect
• resonance energy transfer
• resonance fluorescence
• resonance frequency
• resonance hump
• resonance imprisonment
• resonance level
• resonance line satellite
• resonance pumping
• resonance radiation
• resonance Raman spectroscopy
• resonance self-focusing
• resonance sharpness
• resonance spectrum
• resonance state
• resonance-type anomaly
• resonance width
• resonant
• resonant cavity
• resonant excitation
• resonant frequency
• resonant internal reflection
• Alidade